Cacteae

Ariocarpus agavioides: The Agave-like Living Rock Cactus

Ariocarpus agavioides, a unique succulent belonging to the Cactaceae family, is native to the dry, rocky regions of Mexico. Its name, derived from 'agave', refers to its rosette-like growth habit, strikingly similar to agave plants. It stands out as one of the most captivating members of the genus often associated with 'living rock' cacti.

Ariocarpus fissuratus, a unique succulent belonging to the Cactaceae family, is native to the arid regions of Northern Mexico and Southern Texas. Commonly known as the 'Living Rock Cactus', this species is remarkable for its excellent camouflage, blending seamlessly with its stony environment. It features a very slow-growing stem, typically 5-15 cm in diameter, composed of flattened, deeply fissured tubercles that lie close to the soil surface . These tubercles mimic the surrounding rocks so effectively that locating the plant in its natural habitat can be quite challenging.

Ariocarpus kotschoubeyanus, a member of the Cactaceae family, is a rare and Critically Endangered (CR) succulent native to the arid regions of Mexico . Also known as "living rock" due to its unique camouflage, this species is highly prized among cactus collectors for its slow growth rate and distinctive appearance. The plant typically has a flattened to slightly domed stem that is largely buried in the soil, with only small, triangular, tuberculate rosettes visible on the surface. The color of these tubercles can vary from grayish-green to brownish, depending on the geographical origin of the specific plant.

Ariocarpus retusus: The Enigmatic World of Living Rock Cacti

Ariocarpus retusus is a captivating species with a unique position among succulent cacti. Also known as the "Living Rock Cactus," this plant is remarkable for its flat, deeply fissured body that typically hides among rocks, close to the soil surface in its natural habitat. Belonging to the genus Ariocarpus within the Cactaceae family, this species is native to arid and semi-arid regions stretching from southern Texas to central Mexico, particularly in the states of Coahuila, Nuevo León, and San Luis Potosí . Its slow growth rate and distinctive structure have made it highly popular among collectors.

Ariocarpus scaphirostrus (often spelled scapharostrus) is one of the rarest and most sought-after species within the family Cactaceae. Highly prized by specialists, this slow-growing geophytic cactus is severely threatened in its natural habitat due to illegal collection and environmental pressures .

Ariocarpus trigonus is a highly sought-after, extremely slow-growing succulent subshrub in the family Cactaceae. Known for its rock-like appearance in the wild, this geophytic cactus is a prized specimen among advanced collectors .

Ariocarpus × drabi is an exceptionally rare natural or artificial hybrid cactus within the Cactaceae family, generally understood to represent a cross between Ariocarpus kotschoubeyanus and Ariocarpus retusus. Highly prized by succulent connoisseurs, it is celebrated for its unique geometric aesthetics and extremely slow growth rate.

Ariocarpus × dubeniorum is an extraordinary and highly prized geophytic cactus taxon within the family Cactaceae . Renowned for its exceptionally slow growth rate and unique rosette-like morphology, this hybrid commands immense value among succulent and cactus enthusiasts globally. It requires expert-level cultivation skills due to its delicate, moisture-sensitive root system.

Ariocarpus × nelissae is an extremely rare and highly prized natural hybrid within the iconic Ariocarpus genus of the family Cactaceae . Characterized by its geophytic habit and absence of traditional spines, this cactus mimics limestone rock formations.

Astrophytum asterias: The Miniature Star of the Desert

Astrophytum asterias, commonly known as the "Sand Dollar Cactus" or "Star Cactus," is a highly sought-after, spineless cactus species native to the arid regions of Mexico and Texas. Its diminutive size and distinctive flattened, spherical form have made it a favorite among cactus enthusiasts. This plant typically grows solitarily, reaching up to 15 cm in diameter and 2-6 cm in height. Its body is usually divided into eight prominent, flat ribs; however, variations with fewer or more ribs also exist.

Astrophytum capricorne, a captivating and unique cactus species belonging to the Cactaceae family, is native to the arid regions of Mexico. Commonly known as the 'Goat's Horn Cactus' due to its distinctive spines, this plant is highly prized among cactus collectors for its unusual appearance. It typically grows as a solitary, globular to cylindrical stem, reaching heights of 20-30 cm and diameters of 10-15 cm as it matures .

Astrophytum caput-medusae is one of the most remarkable and fascinating species in the Cactaceae family. Diverging from the traditional globose or columnar cactus forms, it is famous for its long, cylindrical tubercles that resemble the writhing snakes of Medusa's head. Discovered in 2002, it instantly became a sensation in the botanical world .

Astrophytum caput-medusae is one of the most remarkable and fascinating species in the Cactaceae family. Diverging from the traditional globose or columnar cactus forms, it is famous for its long, cylindrical tubercles that resemble the writhing snakes of Medusa's head. Discovered in 2002, it instantly became a sensation in the botanical world .

The Coahuila Star Cactus: Astrophytum coahuilense

Astrophytum myriostigma: The Bishop's Cap Cactus

Astrophytum ornatum: The Elegant Star of the Desert

Ferocactus diguetii is one of the most spectacular and massive species within the Cactaceae family. Known for its towering barrel-like form, it represents a remarkable evolutionary adaptation to island desert environments .

Ferocactus echidne, commonly known as the Sonora barrel cactus, is a robust, globose to cylindrical cactus species belonging to the Cactaceae family. Highly appreciated for its fierce golden spines and resilience, this species is a classic representative of the dry-land flora of North America .

Ferocactus emoryi, commonly known as Emory's barrel cactus, is an iconic, heavily-spined member of the Cactaceae family . Adapted beautifully to harsh desert conditions, this slow-growing succulent shrub is highly prized for its structural shape and longevity.

Ferocactus flavovirens is a clumping, succulent subshrub belonging to the family Cactaceae. Unlike many other solitary barrel cacti, this species is highly social, forming dense, multi-headed mounds over time.

Ferocactus fordii is a distinctive, slow-growing globose cactus within the Cactaceae family, highly prized by succulent enthusiasts for its stout, curved central spines and beautiful magenta blooms . It is well-suited for xeriscaping and container cultivation.

Ferocactus glaucescens, commonly known as the Blue Barrel Cactus, is a highly sought-after succulent subshrub famed for its glaucous blue-green stem and contrasting bright yellow spines . It offers an iconic architectural shape ideal for xeriscaping.

Ferocactus gracilis, commonly known as the Fire Barrel Cactus, is an iconic, column-forming succulent in the Cactaceae family. Famous for its fiercely beautiful red spines and robust nature, it is a highly sought-after specimen for desert landscaping and container collections.

Ferocactus haematacanthus is a striking and highly sought-after cactus species in the family Cactaceae. Known for its globose to columnar growth habit, it is particularly famous among succulent collectors for its vibrant, deep blood-red spines that densely coat the stem, providing an extraordinary contrast against its dark green epidermis .

Ferocactus hamatacanthus, commonly known as the Turk's Head Cactus or Texas Hookedcactus, is a robust species within the Cactaceae family. Widely appreciated for its fearsome hooked spines and massive, fragrant yellow blossoms, it is a quintessential desert-dwelling succulent.

Ferocactus herrerae, commonly known as Herrera's Barrel Cactus, is a massive, solitary barrel cactus belonging to the Cactaceae family. Celebrated for its formidable spination and imposing stature, this succulent subshrub is highly prized in xeriscaping and professional succulent collections globally .

Ferocactus histrix is a robust, globose to cylindrical cactus belonging to the family Cactaceae, distinguished by its heavily ribbed stem and sharp, rigid spines . Commonly known as the Mexican Barrel Cactus, it is a classic representative of desert succulents.

Ferocactus johnstonianus, commonly known as Johnston's Barrel Cactus, is a rare and striking succulent species belonging to the Cactaceae family. Renowned for its prominent cylindrical growth habit and bright golden-yellow spines, it is highly valued among collectors for its architectural beauty and extreme drought tolerance.

Ferocactus latispinus: The Candy Barrel Cactus

Ferocactus lindsayi is a rare, globose to cylindrical barrel cactus within the Cactaceae family. Characterized by its robust, solitary growth habit and formidable spination, this succulent subshrub is highly adapted to surviving in extremely dry and harsh desert environments.

Ferocactus macrodiscus, commonly known as the Candy Cactus, is an attractive, flattened-globose cactus species belonging to the family Cactaceae .

Ferocactus peninsulae is a slow-growing, highly ornamental barrel cactus famous for its dramatic, hook-shaped spines and vibrant summer flowers . It is highly appreciated by succulent enthusiasts for its structural symmetry and hardy nature in desert landscaping.

Ferocactus pilosus, commonly known as the Mexican Fire Barrel or Lime Cactus, is a striking, heavily-ribbed columnar cactus. It is famous for its bright red spines and thin white radial hairs.

Ferocactus pottsii is a robust, heavily spined cactus species belonging to the Cactaceae family. Known for its distinct ribbed glaucous stem, it is a classic representative of the North American desert flora .

Ferocactus robustus is one of the most remarkable clumping species within the family Cactaceae. Commonly known as the Robust Barrel Cactus, it is celebrated for its unique ability to form massive, multi-headed mounds .

Ferocactus santa-maria is a striking, slow-growing barrel cactus adapted to extreme desert environments. It is highly valued among collectors for its robust columnar growth and architectural spine structure .

Ferocactus schwarzii is a slow-growing, highly ornamental barrel cactus belonging to the family Cactaceae. Solitary in nature, this species starts as a globose plant and gradually becomes cylindrical with age. It is distinguished from other barrel cacti by its relatively few, short, and deciduous spines as it matures .

Ferocactus tiburonensis is a highly resilient, barrel-shaped succulent subshrub belonging to the family Cactaceae. Endemic to Tiburon Island, this cactus is brilliantly adapted to extreme desert heat, saline coastal winds, and prolonged periods of drought.

Ferocactus townsendianus is a distinctive and highly ornamental member of the Cactaceae family. Characterized by its solitary stem, stout spine structure, and prominent ribs, this succulent subshrub is highly adapted to extreme arid conditions . It is widely favored in succulent collections for its geometric symmetry and colorful, fierce spination.

Ferocactus viridescens, commonly known as the San Diego barrel cactus or coast barrel cactus, is a globose to cylindrical perennial succulent belonging to the Cactaceae family. Highly adapted to maritime-influenced desert habitats, it is prized for its architectural form, dense spines, and chartreuse-colored flowers.

Ferocactus wislizeni, commonly known as the Arizona barrel cactus or fishhook barrel cactus, is a prominent, slow-growing succulent shrub famed for its stout cylindrical body and colorful, hook-like spines .

Astrophytum myriostigma var. nudum is a cleaner green, reduced-flecking form of Astrophytum myriostigma, the Bishop's Cap cactus. It should not be presented as Star Cactus; Star Cactus belongs to the Astrophytum asterias line.

Astrophytum myriostigma var. nudum is a cleaner green, reduced-flecking form of Astrophytum myriostigma, the Bishop's Cap cactus. It should not be presented as Star Cactus; Star Cactus belongs to the Astrophytum asterias line.

Astrophytum asterias is a small, spineless, flattened cactus with a clean star-like body and orderly woolly areoles. The product name “Star Cactus” or “Sand Dollar Cactus” is clear for buyers, while the botanical dictionary keeps the scientific basis: Astrophytum asterias (Zucc.) Lem. POWO/Kew treats the name as accepted and records a narrow native range from southern Texas to Nuevo León and Tamaulipas in Mexico. World Flora Online also reports the name as accepted in Cactaceae.