Astrophytum asterias Lemaire (celebrity cactus) is a small, spineless cactus. Each plant typically has a solitary reduced, dome-shaped stem that ends up being flat or dispirited throughout dry conditions. In the wil star cactus grows to 7 centimeters tall as well as 15 cm in size. Plants are eco-friendly to grayishgreen or goldish brown, patterned with creamy colored to yellow-colored circular scales.Each typically has 8 triangular ribs separated by slim grooves. The areoles comply with a central line down each rib, bearing tufts of short, creamy colored hairs.Endangered Species (CITES) Appendix. Star cactus is an incredibly prominent enthusiast's item. Although it is quickly grown from seed, plants remain to be extracted from the wild.lophophora williamsii Coult. (peyote) resembles star cactus in its size, form as well as lack of spinal columns. However, peyote is bluish-green and does not have the little whitish ranges discovered on star cactus. Peyote has 5-13 (frequently precisely 5, 8 or 13) ribs, the number increasing with age. Star cactus, in contrast, normally has 8 ribs throughout life. Peyote's ribs might prolong towards the base in a spiral conformation not seen in star cactus. Fully grown specimens of L. williamsii might have noticable tubercles, which might (especially in spiral-ribbed individuals) give the ribs an irregular look not observed in A.The external tepals are white with an environment-friendly red stripe down the midline, however only the internal tepals, which are white with a pink red stripe down the midline, are visible from over when the flowers are completely open. Peyote has a large (size ca. 70-90% of the size of the base of the stem), slowly tapering taproot with couple of side origins, while star cactus has a petite taproot (diameter ca. 10% of the diameter of the airborne part of the stem) that branches into many slim roots symptomatic of a coarse origin system.Within the Tamaulipan thornscrub, celebrity cactus expands in gravelly clays or loams, on gentle slopes in sparsely decayed openings in between bush thickets within mesquite-blackbrush thorn shrublands. Associates of both Astrophytum and Lophophora in Texas consist of the bushes mesquite(Prosopis glandulosa), amargosa (Castela erecta), blackbrush (Acacia rigidula), lotebush (Ziziphus obtusifolia), allthorn (Koeberlinia spinosa), desert olive (Forestiera). frequently, nevertheless, both varieties show up to use slightly various microhabitats. We have more commonly observed Lophophora near the base of hedges while Astrophytum might grow farther out under the edge of the hedge's cover or even in the open. The two cacti appear to show preferences (though not absolute requirements) for various dirt types, as well. More investigation is needed to figure out whether and just how these 2 cacti dividers the habitat.