Botanical name: Astrophytum myriostigma
Synonym: Echinocactus myriostigma, Astrophytum prismaticum, Astrophytum columnare, Astrophytum coahuilense, Astrophytum tulense, Astrophytum nuda
Common name: Bishop's Cap Cactus, Bishop's Hat, Bishop's Miter Cactus
Native to: north central Mexican plateau
Cultivation / direction of sowing: all year-round, seeds are spread evenly over the surface of the substrate, based on finely sifted flower-sowing soil and 25% sand or quartz sand, sow in a propagator, under glass or transparent plastic, keep evenly moist but not soggy, optimal germination temperature approx. 18-25°C
Reported to contain unspecified alkaloids.