Types of Cactus

Types of Cactus -Are you intrigued by the vast assortment of cacti but find it difficult to distinguish one from another? With more than 1,500 unique species – each varying in form, dimension, and coloration – the world of cacti can indeed be perplexing. This article aims to simplify this task for you as we navigate through 31 common varieties of these prickly plants that populate gardens or desert landscapes.

Ready to morph into a bona fide cactus connoisseur? Let’s plunge right in!

Key Insights

  1. The diverse universe of over 1,500 distinct types of cacti offer myriad shapes, sizes and hues. Some commonly spotted species worth recognizing include Star Rock Cactus, Bunny Ears Cactus (known for its furry pads reminiscent of rabbit ears), Christmas Cactus (recognized by pink or lilac tubular flowers), Moon Cactus with its bright colors; and Balloon Cactus which boasts a spherical shape replete with ridges and spines.
  2. Every variety carries distinctive traits making them easy targets for identification: Star Rock has triangular stems while Bunny Ears flaunt furry pads similar to rabbit ears; Christmas blooms with pink or lilac tubular blossoms while Moon glows vibrantly. Balloon exhibits a round silhouette adorned with ridges & spikes.
  3. Further notable variants are: towering tree-like columns characterizing the edible-fruited Cererus; Coryphantha is recognized due to tiny globules covered in white fuzzy hair on their stems; Opuntia stands out thanks to flat-jointed stalks bearing prickly pear fruit whereas Saguaro reigns supreme being tallest among all species thriving especially well in Sonoran Desert.

Table of Contents

Types of Cactus for Identification

A vibrant collection of cactus varieties featuring Bunny Ears Cactus.

Cactus Star Rock, Bunny Ears Cactus, Christmas Cactus, Moon Cactus, Balloon Cactus, and many more are some popular types of cacti that can be identified.

Types of Cactus Cactus Star Rock

Close-up shot of a Star Rock cactus surrounded by desert rocks.

Astrophytum asterias
Conservation status Vulnerable (IUCN 3.1)[1]
Scientific Classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Astrophytum
Species: A. asterias
Binomial name Astrophytum asterias (Zucc.) Lem.[3]

The Star Rock cactus is unique. It has pointed triangular stems. These create a disc-like shape. Many people love the Star Rock cactus for this special look. This plant also goes by another name, Astrophytum asterias.

You can see it in many indoor gardens as its size and shape are great for inside houses.

Types of Cactus Bunny Ears Cactus

A vibrant close-up of a Bunny Ears Cactus with different hair styles and outfits.

Opuntia microdasys
Conservation status Least Concern (IUCN 3.1)
Scientific Classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Genus: Opuntia
Species: O. microdasys
Binomial name Opuntia microdasys (Lehm.) Pfeiff.

The Opuntia microdasys, colloquially known as the “Bunny Ears Cactus,” captivates plant enthusiasts with its distinctive and endearing appearance. With pads resembling the soft, furry ears of a rabbit, it’s no wonder this plant has garnered such affectionate nomenclature. Additionally, it has been referred to as the “polka dot cactus” or simply “bunny cactus” by aficionados.

One of the most enticing features of this cactus is its minimalistic care regimen. It is renowned for its adaptability, thriving both in interior environments as well as in outdoor settings.

Caring for the Bunny Ears Cactus is undemanding. A fundamental understanding of its requirements ensures its sustained health and robust growth. Knowledge of its scientific nomenclature, Opuntia microdasys, further deepens the appreciation for this unique botanical specimen.

Types of Cactus Christmas Cactus

Schlumbergera
Cultivar belonging to the Schlumbergera Truncata Group Yes
Scientific Classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Rhipsalideae
Genus: Schlumbergera

The Christmas cactus is a joy to have in any house. It brings color with its pink or lilac tubular flowers. This type of cactus grows well inside homes. It is part of the family of epiphytic cacti, not like desert cacti.

December is a happy month for this plant as it blooms white flowers then. People also call this plant Schlumbergera truncata and S. × buckleyi by its scientific names.

Types of Cactus Moon Cactus

A vibrant Moon Cactus stands out in a desert landscape.

Category Details
Conservation status Least Concern (IUCN 3.1)
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Genus: Gymnocalycium
  • Species: G. mihanovichii
Binomial name Gymnocalycium mihanovichii (Fric ex Gürke) Britton & Rose
Synonyms
  • Echinocactus mihanovichii Fric & Gürke
  • Gymnocalycium friedrichii (Werderm.) Pazout nom. inval.

Moon cactus is a visually beautiful species of cactus that is often admired for its vibrant colors. It is actually a combination of two different plants – Gymnocalycium and a rootstock cactus.

Moon cactus is considered a grafted plant, where the two plants are combined to allow for water and nutrient sharing. One specific variety of moon cactus is Gymnocalycium mihanovichii.

A unique characteristic of moon cactus is that it can grow additional arms through propagation, making it even more appealing to plant enthusiasts.

Types of Cactus Balloon Cactus

A close-up photo of a colorful Balloon cactus against a minimalist background.

Category Details
Conservation status Endangered (IUCN 3.1)
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Genus: Parodia
  • Species: P. magnifica
Binomial name Parodia magnifica (F.Ritter) F.H.Brandt
Synonyms
  • Notocactus magnificus
  • Eriocactus magnificus

The Balloon cactus, also known as Notocactus magnificus or Green Ball Cactus, is a popular indoor variety of cactus. It has a spherical shape with distinguishable ridges and parallel rows of spines running down its sides.

This gives it a unique architectural appearance. Belonging to the genus Notocactus, the Balloon cactus is a captivating addition to any collection of succulent plants.

Types of Cactus Cereus

A tall Peruvian apple cactus in a vibrant desert landscape.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cereeae
  • Genus: Cereus
Type species Cereus hexagonus
Synonyms
  • Piptanthocereus (A.Berger) Riccob.
  • Subpilocereus Backeb.

Cereus cacti belong to the family Cactaceae. These cacti have a large, tree-like columnar shape with 4 to 10 well-defined ribs and large areoles. They also have moderate, stout spines for protection.

One popular type of Cereus cactus is the Peruvian apple cactus, known for its edible fruit. These facts make Cereus cacti an interesting addition to any cactus collection or garden.

Types of Cactus Coryphantha

A photo of a Coryphantha vivipara in a desert landscape.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cacteae
  • Genus: Coryphantha
Synonyms
  • Cumarinia Buxb.
  • Lepidocoryphantha Backeb.
  • Aulacothele Monv. (nom. inval.)
  • Glandulifera (Salm-Dyck) Fric (nom. inval.)
  • Roseia Fric (nom. inval.)

Coryphantha is a genus of cacti that includes different species like Coryphantha calochlora, Coryphantha clavata, and Coryphantha compacta. These cacti have small globular stems covered in white woolly hairs.

One specific species called Coryphantha vivipara, also known as the ball cactus, is evergreen and only one of three cacti species that stay green all year round. Another interesting species is the Santa Cruz beehive cactus or Coryphantha recurvata, which can be found in Arizona and northern Mexico.

It’s important to note that the Pima Pineapple Cactus (Coryphantha scheeri var.) is endangered and protected under the Endangered Species Act due to its limited population in southern regions.

Types of Cactus Cylindropuntia

A photo of a tall cactus in a desert landscape.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Opuntioideae
  • Tribe: Cylindropuntieae
  • Genus: Cylindropuntia
Synonyms
  • Opuntia (Cylindropuntia) Engelm.
  • Grusonia (Cylindropuntia) (Engelm.) G.D.Rowley

Cylindropuntia is a type of cactus that can be identified by looking at factors like the color of its fruit, the spines it has, and its overall shape. These characteristics help distinguish different types of cacti within the Cylindropuntia genus.

One interesting thing about Cylindropuntia is that it can survive in dry conditions, making it well-suited for arid environments. It’s important to note that Cylindropuntia is just one group among many other types of cacti, which belong to the larger family called Cactaceae.

This family includes over 139 genera and almost 2000 species of cacti!

Types of Cactus Echinocereus

A vibrant blooming cactus in a desert landscape.

Echinocereus
Scientific classification Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Echinocereus
Type species: Echinocereus viridiflorus
Synonyms Wilcoxia Britton & Rose

Echinocereus is a type of cactus that is highly favored by cactus growers all over the world. One specific species in this genus is called Echinocereus triglochidiatus or kingcup cactus.

Another species, Echinocereus ctenoides, is cylindrical in shape and closely related to Echinocereus dasyacanthus. Hedgehog cacti, which are low-growing succulent plants, also belong to the Echinocereus genus.

An interesting species in this group is Echinocereus enneacanthus, also known as Strawberry Cactus.

Types of Cactus Ferocactus

A close-up photo of a Ferocactus wislizenii cactus in its natural desert environment.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cacteae
  • Genus: Ferocactus
Synonyms
  • Bisnaga Orcutt
  • Brittonia C.A.Armstr.

Ferocactus is a type of cactus that belongs to the Ferocactus genus. It is an important representation of the entire cactus family. One specific species of Ferocactus is called the fishhook barrel cactus, also known as Ferocactus wislizenii.

This particular type of Ferocactus can be found in Arizona and Mexico. Other names for it include Arizona barrel cactus, candy barrel cactus, and Southwestern barrel cactus. It grows along washes and arroyos (dry creek beds).

Another species of Ferocatcus, known as Ferocatus flavovirens, can be found in Mexico too.

Mammillaria

A photo of a cactus in a desert landscape with vibrant colors.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cacteae
  • Genus: Mammillaria
Synonyms
  • Bartschella Britton & Rose
  • Cactus L.
  • Chilita Orcutt
  • Cochemiea (K.Brandegee) Walton
  • Dolichothele (K.Schum.) Britton & Rose
  • Ebnerella Buxb.
  • Haagea Fric
  • Krainzia Backeb.
  • Lactomammillaria Fric (nom. inval.)
  • Leptocladia Buxb.
  • Leptocladodia Buxb.
  • Mamillaria F.Rchb. (orth. var.)
  • Mamillopsis (E.Morren) F.A.C.Weber ex Britton & Rose
  • Mammariella Shafer (nom. inval.)
  • Mammilaria Torr. & A.Gray (orth. var.)
  • Neomammillaria Britton & Rose
  • Oehmea Buxb.
  • Phellosperma Britton & Rose
  • Porfiria Boed.
  • Pseudomammillaria Buxb.
  • Solisia Britton & Rose

Mammillaria is a large genus of cactus, with nearly 200 different species. These cacti usually have a round or cylindrical shape. One particular species, Mammillaria longimamma, stands out because of its unique characteristics.

In the past, there have been some mistakes in identifying cacti within this genus, with up to 400 different species being misidentified at times. Another interesting species is Mammillaria boolii, which is a small cactus with round covered in fine hair-like spines.

Opuntia

A photo of Opuntia cacti in a desert landscape.

Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Opuntioideae
  • Tribe: Opuntieae
  • Genus: Opuntia
  • Species: Many, see text.
Binomial name Opuntia Mill.
Synonyms
  • Chaffeyopuntia Frič & Schelle
  • Ficindica St.-Lag.
  • Nopalea Salm-Dyck
  • Phyllarthus Neck. ex M.Gómez (nom. inval.)
  • Salmiopuntia Frič (nom. inval.)
  • Tunas Lunell

Opuntia is a type of cactus known for its prickly pear fruit. It belongs to the flowering plant family Cactaceae and has flat-jointed stems. There are more than 150-180 species of Opuntia, and they can have large, colorful flowers.

These cacti are unique and add beauty to any garden or landscape.

Pediocactus

Close-up of blooming Pediocactus in rocky desert environment, without humans.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cacteae
  • Genus: Pediocactus
  • Type species: Pediocactus simpsonii
Synonyms
  • Navajoa Croizat
  • Pilocanthus B.W.Benson & Backeb.
  • Utahia Britton & Rose

Pediocactus is a type of cactus that belongs to the genus Pediocactus. One species of Pediocactus, called Pediocactus knowltonii or Knowlton’s cactus, is very rare and protected under the Endangered Species Act.

It was discovered in 1958 by Fred Knowlton, who it was named after. There are also other species of Pediocactus, such as Pediocactus despainii and Pediocactus sileri.

Sclerocactus

A vibrant Sclerocactus against a barren desert landscape in vivid detail.

Category Details
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Tribe: Cacteae
  • Genus: Sclerocactus
  • Type species: Not specified
Synonyms
  • Coloradoa Boissev. & C.Davidson
  • Toumeya Britton & Rose
  • Ancistrocactus Britton & Rose
  • Echinomastus Britton & Rose
  • Glandulicactus Backeb.
  • Homalocephala Britton & Rose

Sclerocactus is a small cactus and slow-growing cactus that can be found in the western United States and northern Mexico. It has different types, which can be identified by looking at their spines.

The spines of Sclerocactus come in various colors, sizes, shapes, and hardness. This makes them helpful for distinguishing between different species. One well-known type of Sclerocactus is called the fishhook cactus because its spines have a hook-like shape.

Another type is the Tobusch fishhook cactus, which is smaller compared to other species of Sclerocactus.

Barrel Cacti

A picturesque desert landscape filled with diverse barrel cacti.

Category Details
Conservation status Endangered (IUCN 3.1)
Scientific classification
  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamily: Cactoideae
  • Genus: Echinocactus
  • Species: E. grusonii
Binomial name Echinocactus grusonii Hildm.

Barrel cacti, also known as polyancistrus, are spiky and spherical cactus plants that can reach up to 40 cm in height and 13 cm in diameter. They have thick, leathery ridges and pointed spines.

One notable type of barrel cactus is the Arizona Barrel cactus, which has showy red and white spines as well as large flowers. Another interesting species is the fishhook barrel cactus, scientifically referred to as Ferocactus wislizenii.

It gets its name from its hooked spines and barrel-shaped body. These unique characteristics make barrel cacti a fascinating addition to any succulent collection or desert landscape.

Columnar Cacti

A photo of Columnar Cacti in a desert landscape.

Category Details
Scientific Classification
  • Kingdom: Plantae
  • Order: Caryophyllales
  • Family: Cactaceae
  • Subfamilies: Cactoideae, Maihuenioideae, Opuntioideae, Pereskioideae
Synonyms
  • Opuntiaceae Desv.
  • Leuchtenbergiaceae Salm-Dyck ex Pfeiff.

Columnar cacti are a type of cactus that have one main stem with arms branching out from the sides. They are often known for their tall, column-like shape. One famous example of a columnar cactus is the saguaro cactus, which can be found in the Southwest region.

Another type is the Strawberry cactus, which has ribbed and spiky stems with beautiful magenta flowers. If you’re interested in learning more about different types of columnar cacti, there are plenty of resources available to help you identify them.

Hedgehog Cacti

A close-up shot of a blooming Hedgehog Cactus in a rocky desert landscape.

Category Details
Kingdom Plantae
Clade Tracheophytes, Angiosperms, Eudicots
Order Caryophyllales
Family Cactaceae
Subfamily Cactoideae
Tribe Echinocereeae
Genus Echinocereus
Type species Echinocereus viridiflorus
Synonyms Wilcoxia Britton & Rose

Hedgehog cacti are a type of cactus that can be found in Central Mexico and the western United States. They belong to the genus Echinocereus and have about 60 different species. Hedgehog cacti are often used for identification because of their unique shapes, spiny stems, and blooming habits.

One specific species is called Engelmann’s Hedgehog Cactus and it is native to the southwestern US and northern Mexico. These cacti have short stems covered in spines that look similar to hedgehogs, which is how they got their name.

Pincushion Cacti

A vibrant photo of Pincushion Cacti in a bustling desert landscape.

Category Details
Conservation status Vulnerable (NatureServe)
CITES Appendix I
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Pediocactus
Species: P. sileri
Binomial name: Pediocactus sileri (Engelm. ex J.M.Coult.) L.D.Benson
Synonyms Echinocactus sileri
Utahia sileri

The Pincushion Cacti is a spiky cactus with bright red-orange spikes. It belongs to the Nickels’s Pincushion Cactus category, which can be found in the eastern Chihuahuan desert in Texas and northern Mexico.

This type of cactus has yellowish-white flowers and is included in a comprehensive guide featuring 30 different types of cacti for identification. You can even find it among the indoor cactus varieties.

Prickly Pear Cacti

A vibrant cluster of prickly pear cacti in a desert landscape.

Opuntia
Scientific classification
    • Kingdom: Plantae
    • Clade: Tracheophytes
    • Clade: Angiosperms
    • Clade: Eudicots
    • Order: Caryophyllales
    • Family: Cactaceae
    • Subfamily: Opuntioideae
    • Tribe: Opuntieae
    • Genus: Opuntia Mill.
Synonyms
    • Chaffeyopuntia Frič & Schelle
    • Ficindica St.-Lag.
    • Nopalea Salm-Dyck
    • Phyllarthus Neck. ex M.Gómez (nom. inval.)
    • Salmiopuntia Frič (nom. inval.)
    • Tunas Lunell

Prickly pear cacti are a type of cactus that is known for its flat-stemmed and spiky appearance. One specific species called the Brazilian Prickly Pear has a sturdy, rounded stem with green oval segments covered in spines.

These cacti produce fruits that are edible and can be used in various ways. When identifying different types of cactus, prickly pear cacti are often recognized by their distinctive features and the presence of these tasty fruits.

Rebutia Cacti

A photograph of diverse cacti in a desert landscape.

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Trichocereeae
Genus: Rebutia
Type species: Rebutia minuscula
Synonyms Bridgesia Backeb., Cintia Kníže & Říha, Cylindrorebutia Fric & Kreuz., Digitorebutia Fric & Kreuz. (synonym of Aylostera), Echinorebutia Fric, Eurebutia Fric, Gymnantha Y.Itô, Mediolobivia Backeb. (synonym of Aylostera), Mediorebutia Fric, Neogymnantha Y.Itô, Setirebutia Fric & Kreuz., Spegazzinia Backeb., Sulcorebutia Backeb., Weingartia Werderm.

Rebutia cacti are very popular among cactus lovers. They can be found in many garden centers around the world because they are widely cultivated. One interesting thing about Rebutia cacti is that their spines come in different colors, sizes, and shapes, which makes them unique and easy to identify.

These cacti have a round shape and they produce beautiful blooms in red, white, or pink. It’s no wonder why Rebutia cacti are so loved by cactus enthusiasts!

Saguaro Cacti

A group of Saguaro cacti standing tall in a desert landscape.

Category Details
Conservation status Least Concern (IUCN 3.1)
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Carnegiea
Species: C. gigantea
Binomial name Carnegiea gigantea (Engelm.) Britton & Rose
Synonyms Cereus giganteus Engelm.
Pilocereus engelmannii Lem.
Pilocereus giganteus Rumpler

Saguaro cacti are the largest species of cactus in the United States, growing over 12 meters (40 feet) tall. They can live for more than 150 years and are native to the Sonoran Desert in Arizona, California, and Mexico.

Saguaro cacti provide important shelter and nesting sites for various desert animals.

Christmas Cacti

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Rhipsalideae
Genus: Schlumbergera
Synonyms Epiphyllanthus A.Berger, Opuntiopsis Knebel, Zygocactus K.Schum., Zygocereus Frič & Kreuz., Epiphyllum Pfeiff. (but not Epiphyllum Haw.)

The Christmas cactus is a popular houseplant that blooms indoors during the holiday season. It is known for its colorful flowers, which can be white, pink, or red. This cactus has two botanical names: Schlumbergera truncata and S.

× buckleyi. One unique feature of the Christmas cactus is its ability to bloom in response to darkness. To promote blooming, it’s recommended to place the plant in a dark location for about 12-14 hours each day.

With their vibrant cactus flower and festive timing, Christmas cacti are a favorite choice for adding some holiday cheer to your home.

Types of Cactus Easter Cacti

A vibrant close-up of rose-pink Easter cacti flowers in a tropical garden.

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Rhipsalidopsis
Species: R. rosea
Binomial name: Rhipsalidopsis rosea (Lagerh.) Britton & Rose
Synonyms Hatiora rosea (Lagerh.) Barthlott
Rhipsalidopsis rosea (Lagerh.) Britton & Rose
Rhipsalis rosea Lagerh.
Schlumbergera rosea (Lagerh.) Calvente & Zappi

The Easter cactus, scientifically known as Hatiora rosea, is a popular type of cactus that can be easily identified by its flat, star-shaped flowers. These fragrant flowers are vibrant and rose-pink in color.

Unlike other holiday cacti, the Easter cactus has unique flowering patterns that make it stand out. Native to Brazil and thriving in tropical climates, this cactus belongs to the genus Hatiora.

It is widely cultivated for its beautiful blooms and is a favorite choice among gardening enthusiasts.

Types of Cactus Golden Barrel Cactus

A close-up photo of a golden barrel cactus in a desert landscape.

Category Details
Conservation status Endangered (IUCN 3.1)
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Echinocactus
Species: E. grusonii
Binomial name: Echinocactus grusonii Hildm.
Synonyms Hatiora rosea (Lagerh.) Barthlott
Rhipsalidopsis rosea (Lagerh.) Britton & Rose
Rhipsalis rosea Lagerh.
Schlumbergera rosea (Lagerh.) Calvente & Zappi

The golden barrel cactus is a popular desert plant known for its beautiful golden spines. It has a compact, round shape and belongs to the Echinocactus genus. This cactus is often used as an ornamental plant in gardens and landscapes.

Interestingly, it is also an endangered species in the wild. Its striking appearance and low maintenance requirements make it a favorite among cactus enthusiasts.

Types of Cactus Organ Pipe Cactus

A photo of Organ Pipe Cactus in a desert landscape.

Category Details
Conservation status Least Concern (IUCN 3.1)
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Stenocereus
Species: S. thurberi
Binomial name: Stenocereus thurberi (Engelm.) Buxbaum, 1961
Synonyms Hatiora rosea (Lagerh.) Barthlott
Rhipsalidopsis rosea (Lagerh.) Britton & Rose
Rhipsalis rosea Lagerh.
Schlumbergera rosea (Lagerh.) Calvente & Zappi

The Organ Pipe Cactus is a type of cactus that is native to Mexico and southern Arizona. It has a unique appearance, with multiple stems growing from a central base. These stems curve outward and resemble the pipes of an organ, hence its name.

The Organ Pipe Cactus belongs to the Cactaceae family and is closely related to other desert cacti. It blooms in March and April, attracting pollinators with its beautiful cactus flower.

Types of Cactus Fishhook Cactus

A vibrant close-up of a blooming fishhook cactus in its natural desert habitat.

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Mammillaria
Species: About 170 species
Synonyms Bartschella Britton & Rose
Cactus L.
Chilita Orcutt
Cochemiea (K.Brandegee) Walton
Dolichothele (K.Schum.) Britton & Rose
Ebnerella Buxb.
Haagea Fric
Krainzia Backeb.
Lactomammillaria Fric (nom. inval.)
Leptocladia Buxb.
Leptocladodia Buxb.
Mamillaria F.Rchb. (orth. var.)
Mamillopsis (E.Morren) F.A.C.Weber ex Britton & Rose
Mammariella Shafer (nom. inval.)
Mammilaria Torr. & A.Gray (orth. var.)
Neomammillaria Britton & Rose
Oehmea Buxb.
Phellosperma Britton & Rose
Porfiria Boed.
Pseudomammillaria Buxb.
Solisia Britton & Rose

Fishhook cactus is a type of cactus that can be easily identified by its thick, barrel-shaped body and long hooked spines. It belongs to the Mammillaria, Echinomastus, or Sclerocactus genera.

The fishhook cactus is known for its ability to adapt to harsh desert environments and store water in its thick body. Some species of fishhook cacti even produce edible fruits that can be eaten or used in cooking.

The Tobusch fishhook cactus, which is a subspecies of Sclerocactus brevihamatus, is one example of this unique plant.

Types of Cactus Queen of the Night Cactus

Close-up of Queen of the Night cactus blossoms illuminated by moonlight.

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Peniocereus
Species: P. greggii
Binomial name: Peniocereus greggii (Engelm.) Britton & Rose
Synonyms Cereus greggii Engelm.

The Queen of the Night cactus is a climbing perennial orchid cactus species that blooms at night. With its white, circular-shaped flowers and narrow petals, this cactus is native to tropical regions, specifically southern Mexico.

Its unique blooming pattern adds an element of intrigue to any garden or collection.

Types of Cactus Old Man Cactus

Category Details
Conservation status Endangered (IUCN 3.1)
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Cephalocereus
Species: C. senilis
Binomial name: Cephalocereus senilis (Haw.) Pfeiff.
Synonyms Cactus bradypus Lehm.
Cactus senilis Haw.
Cephalophorus senilis (Haw.) Lem.
Cereus bradypus (Lehm.) Steud.
Euporteria senilis (Haw.) Kreuz. & Buining
Melocactus bradypus Lehm. ex Steud.
Pilocereus senilis (Haw.) Lem.

The Old Man Cactus is a tall succulent plant that belongs to the cactus family. It has spines that look like fine white hairs, resembling an old man’s beard. This unique feature gives it its name.

The Old Man Cactus is native to Northeastern Mexico and can grow upright. It is one of the types of cacti featured in a photographic catalog and key for cactus identification. In addition, this cactus can produce red flowers, adding beauty to its already interesting appearance.

Types of Cactus Bishop’s Cap Cactus

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Astrophytum
Type species: Astrophytum myriostigma
Description Astrophytum is a genus of six species of cacti, native to North America. These species are sometimes referred to as living rocks. The species of this genus typically grow individually with spherical to columnar green shoots, reaching heights of up to 1.5 meters.
Species Astrophytum asterias: Sand dollar cactus, sea urchin cactus, star peyote.
Astrophytum myriostigma: Bishop’s cap cactus, bishop’s hat, bishop’s mitre cactus.
Synonyms Astrophyton Lawr., orth. var.
Digitostigma Velazco & Nevárez
Maierocactus E.C.Rost

The Bishop’s Cap cactus is a slow-growing species that can be found in northern and central Mexico, as well as the southern United States. This unique cactus has white, hair-like projections instead of spines, giving it a distinctive appearance.

It features a bluish-green or grayish-green color and has a bulging star-like shape with five pronounced vertical ribs. When mature, the Bishop’s Cap cactus produces sweet-smelling yellow flowers that add beauty to any collection.

Its striking appearance and ease of care make it a popular choice among both experienced cactus enthusiasts and beginners alike.

Types of Cactus Rat Tail Cactus

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Aporocactus
Species: A. flagelliformis
Binomial name: Aporocactus flagelliformis (L.) Lem.
Synonyms Aporocactus flagelliformis var. leptophis (DC.) P.V.Heath
Aporocactus flagelliformis var. pfeifferi P.V.Heath
Aporocactus flagriformis (Zucc. ex Pfeiff.) Lem.
Aporocactus leptophis (DC.) Britton & Rose
Cactus flagelliformis L.
Cereus flagelliformis (L.) Mill.
Cereus flagelliformis var. leptophis (DC.) K.Schum.
Cereus flagelliformis var. minor Salm-Dyck
Cereus flagriformis Zucc. ex Pfeiff.
Cereus leptophis DC.
Disocactus flagelliformis (L.) Barthlott
Origin and habitat Native to Hidalgo, Mexico. Found in dry forests and is either lithophytic or epiphytic in these dry forests. Appears to be rare and is seldom collected in the field.

The Rat Tail Cactus, also known as Aporocactus Flagelliformis or Disocactus flagelliformis, is a trailing cactus with long stems that droop. It has tiny spines all over its stems, which are green when young and turn gray as they mature.

This cactus produces vibrant orchid-like blooms in colors like violet-red, pink, or orange. One interesting fact about the Rat Tail Cactus is that it can grow up to 3 to 6 feet long.

So if you’re looking for a unique addition to your cactus collection, the Rat Tail Cactus might be just what you need!

Mistletoe Cactus

Category Details
Scientific classification Kingdom: Plantae
Clade: Tracheophytes, Angiosperms, Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Rhipsalideae
Genus: Rhipsalis
Species: Numerous
Synonyms Erythrorhipsalis A.Berger

Mistletoe cactus is a unique type of cactus that grows on other plants, known as epiphytic cacti. It has long and flexible branches that gracefully hang down. Unlike most other cacti, mistletoe cactus doesn’t have sharp spines, making it easy to handle and care for.

In early spring, this cactus produces small white flowers that add beauty to any space. To keep your mistletoe cactus healthy, make sure to provide it with enough water and sunlight.

With proper care, this fascinating plant will thrive and bring joy to your home or garden.

Please note that all tables information for Conservation status, Scientific classification, Binomial name and Synonyms are based on wikipedia.org

diagram of types of cactus

Identification Chart and Pictures

A vibrant arrangement of diverse cacti specimens on a wooden table.

The identification chart and pictures provide a comprehensive visual guide to help you easily identify the different types of cactus species. Discover the unique characteristics and names of each cactus, making it easier for you to grow and care for them.

Comprehensive chart with pictures and names of cactus species

The article includes a comprehensive chart with pictures and names of cactus species. This chart features over 1000 types of cacti, organized by their genera. It provides an easy-to-use reference for identifying different cactus varieties based on their unique characteristics.

Each entry in the chart is accompanied by a picture and the corresponding name of the cactus species. This makes it easier for readers to visually identify and learn about different types of cacti.

Tips for Growing and Caring for Different Cactus Types

A vibrant collection of diverse cacti plants in a desert landscape.

Provide adequate sunlight and well-draining soil for optimal growth, water sparingly to avoid overwatering, and be cautious of common pests such as mealybugs or spider mites.

Successful Cultivation of Cacti: Expert Indoor and Outdoor Growing Strategies

Cacti, with their distinctive aesthetic and minimal care needs, can be cultivated both indoors and outdoors successfully. Below, we present several valuable care instructions and strategic cultivation insights for cacti.

1. Choosing the Correct Pot for Indoor Cacti

Secure a suitable pot that features robust drainage capabilities for your indoor cacti. The selection of a proper pot can significantly impact the overall health and growth of your cactus.

2. Sunlight Requirements for Indoor Cacti

Position your indoor cacti near a window that experiences abundant sunlight daily. This placement allows them to receive a minimum of four hours of exposure to sunlight per day, facilitating their optimal growth.

3. Indoor Cacti Watering

Limit the watering of your indoor cacti. It is critical to allow the soil to dehydrate thoroughly between waterings.

4. Indoor Cacti Soil Mix

A well-drained cactus soil mix or the addition of perlite to regular potting soil is recommended to enhance drainage.

5. Frost-Proofing Outdoor Cacti

To safeguard your outdoor cacti from frost, generate a protective cover for them or transport them indoors during low-temperature weather conditions.

6. Suitable Soil for Outdoor Cacti

Establish your outdoor cacti in sandy, well-drained soil to safeguard against root rot.

7. Exposure of Outdoor Cacti to Sunlight

Outdoor cacti thrive in conditions with full sun exposure for a minimum of six hours daily.

8. Outdoor Cacti Watering Methodology

Outdoor cacti should be watered sparingly with a substantial drying period between each watering session.

9. Proper Mulching for Outdoor Cacti

Mulch is beneficial in preserving soil moisture and suppressing weed growth around outdoor cacti. Choose the right type to protect your cacti.

Strengthening Cacti Growth Through Optimum Watering and Sunlight Conditions

Meticulous compliance with the following watering and sunlight requisites will optimise your cacti’s growth.

During your cacti’s growth period, typically spring and summer, watering once every two weeks is adequate. In winter or dormancy periods, the watering frequency can be substantially reduced to once every four weeks.

When you execute watering, ensure the soil is soaked thoroughly and allow any surplus water to drain completely. It is fundamental to have drainage holes for the pots to prevent water stagnation at the bottom, which can lead to root rot.

Superior Soil and Potting Advice for Cacti Cultivation

For fruitful cultivation outcomes of cacti, the following soil and potting guidance can be priceless:

• The soil must be well-drained and porous, having a sandy or gravelly texture.

• A specialized cactus soil mix is optimum for potting your species.

• Avoid soils that are overly enriched in organic matter.

• The soil’s pH level should range between 6 and 7.

• Similar to their natural habitat, cacti prefer sandy soils—consider a soil mix of one part potting soil to one part coarse sand or perlite.

• Massive emphasis must be placed on the good drainage of pots for healthy cacti growth.

• Overwatering of cacti must be dodged at all costs due to their inherent adaptation to persist in dry environmental conditions.

Common pests and diseases

1. Scale Insects:

Tiny arthropods that firmly adhere to the cactus, extracting its vital sap. This parasitic action can lead to discoloration, specifically yellowing, and a potential wilting of the plant.

2. Mealybugs:

Characterized by their diminutive size and white hue, mealybugs produce a distinctive cotton-like excretion. Their feeding on the plant’s nutritive juices can precipitate inhibited growth.

3. Root Mealybugs:

Distinct from their above-ground counterparts, these pests predominantly target the roots of the cactus. Their presence can result in compromised vitality and an overall decline in plant health.

4. Spider Mites:

These microscopic arachnids weave fine webs upon the cactus. Their feeding behavior involves puncturing the plant’s cells to extract fluids, leading to manifestations such as yellow speckling or stippling on leaves.

5. Fungus Gnats:

These diminutive dipterans lay their progeny in moist soil. Upon hatching, the larvae consume young roots, potentially undermining the cactus’s capacity for water and nutrient uptake.

Proactive Measures:

  • Inspection: Prior to introducing new plants to your collection, thoroughly inspect them for any indications of pests or diseases.
  • Aeration: Ensure optimal air circulation around your plants to deter pest infestation and disease propagation.
  • Spacing: Refrain from placing your cacti too close together, which can engender an environment conducive to pests and diseases.
  • Watering: Administer water judiciously. Excessive moisture can predispose cacti to root rot, a prevalent affliction.
  • Soil Selection: Opt for a well-draining medium, ideally one tailored for cacti and succulents, to promote healthy root systems.
  • Prompt Intervention: At the first sign of pests or disease, take decisive action. This may entail excising affected regions or employing organic countermeasures such as neem oil or insecticidal soap.

Conclusion Types of Cactus

A picturesque arrangement of various cactus species in a desert landscape.

In conclusion, the article “31 Types of Cactus” serves as a valuable resource for anyone interested in identifying different types of cacti. With its comprehensive chart and pictures, readers can easily recognize and distinguish between various cactus species.

Additionally, the article provides useful tips for growing and caring for these desert plants both indoors and outdoors. Happy cactus identification and gardening!

FAQs Types of Cactus

1. What are some types of cactus plants I can grow?

There are many types of cactus plants to grow, like the star cactus, fairy castle cactus, old lady cactus and the beavertail cactus.

2. Does every type of the 31 identification types of a cacti produce flowers?

While not all, many types of succulents or the 31 different identified types of these indoor and outdoor tropical plant may produce bright pink flowers or other colored blooms.

3. Can I grow a ‘Sea Urchin’ or ‘Starfish’ Cactus indoors?

Yes, sea urchin cactus also known as starfish cacti is one kind which you can easily grow indoors along with many other different varieties like pencil and crown ones.

4. Why is it called ‘Fairy Castle’ Cactus?

The common name Fairy Castle comes from its appearance as it grows to look like small towers or turrets resembling a mini castle.

5. Is there any fast-growing type among the 31 identification kinds list?

Yes! The San Pedro Cactuses is one example that plants grows very fast compared to others in this group.

6. Are all kinds of Tree Cactuses tall in size?

No! Not every tree-like species falls into giant categories; an example would be feather cactus ones that stay pretty compact even when fully grown up.