#star cactus

• Astrophytum — A genus of succulent plants within the Cactaceae family, native to the arid and semi-desert regions of Mexico and the southern United States (Texas). These cacti are characterized by globose or cylindrical stems, often lacking spines in adult state, decorated with prominent ribs and microscopic white dots formed by coarse hairs (trichomes), possessing a general star-like appearance reminiscent of a star or marine astroid.
• Astrophytum asterias — An endemic species of small succulent plants within the Astrophytum genus (Cactaceae family), with a globose, flattened stem completely lacking spines, typically divided into exactly 8 flat, regular ribs. Its greenish-grey surface is decorated with numerous trichomes (microscopic white dots made of tiny hairs), featuring large, woolly areoles in the center from which yellow flowers with a red-orange center emerge; it is a protected species, endangered in its native habitat of Mexico and Texas.
• Astrophytum ornatum — The largest and most vigorous cactus species within the Astrophytum genus (Cactaceae family), endemic to the canyons and limestone slopes of central Mexico (Querétaro and Hidalgo states). The plant has a spherical stem in youth that becomes columnar at maturity, capable of reaching over one meter in height; it features 8 subtly spiraled ribs, is armed with long, rigid, yellowish spines, and its epidermis is decorated with ornamental curved bands of white trichomes, bearing large yellow flowers.