Here is description of desert cactus plant
Scientific name: Astrophytum capricorne (A. Dietrich) Britton & Rose 1922
Origin: Northern Mexico (Coahuila) widespread in the
Chihuahuan Desert.
Common Name: Goat's Horns Cactus
The Goat's Horn (capricorne) is named for the characteristic shape of its long, curled and spines.
Conservation status: Listed in CITES appendix 2.
Description: Solitary globe or columnar cactus.
Stem: Although young plants are globular, they soon become ovoid, and eventually columnar up to 1.2 m tall, 10 (15) cm in diameter. The epidermis of is more or less covered with the typical white woolly flecks characteristic of the genus.
Ribs: Usually 8.
Areoles: In vertical rows along each rib and
Spines: 5 to 10 up to 7 cm long, Grey to brown wired, twisted, curved, flattened that look like the horn of a Capricorn. As plant ages spines get a bit more intense and messier, but relatively sparse, they are stiff but pliable and fragile, so, plant should be handled with care.
Flowers: Sweet smelling 7.5 cm wide, yellow with a red center.
Blooming season: Blooms in summer.
Fruit: Reddish covered with flattened spines, 2.5 cm in diameter.
Recommended Temperature Zone: USDA Zone 9-11
Camouflage: The fine spines of this species are an optical artifice supporting the grass-mimicry to the surroundings.
Cultivation: Although regarded as a choice and difficult plant in cultivation it is relatively easy to grow. Use mineral well permeable substratum (rot prone). Water sparingly from March till October and keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade but tolerates mild frost without a problem as do all the other common species of Astrophytum (hardy to -7°C for short periods). In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun.
Propagation: They can be propagated easily from seed.
