Astrophytum myriostigma genus name translates from Greek as ‘star plant’, which refers to star shape seen when looking at the cactus from above. The cactus is also commonly called Bishop’s cap because it resembles bishop’s mitre. Drawing from L’ Illustration horticole, vol. 8: t. 292 (1861).
Astrophytum myriostigma-Bishop's Cap Cactus, Hat or Bishop's Miter Cactus. From: northeastern & central Mexico. A spineless cactus-3 to 7 (usually five) vertical ribs. "Star plant", is derived from the resulting star-like shape). Creamy yellow, orange or red base & reddish fruit 6 years to flower.