Lophophora williamsii

Lophophora williamsii.
Synonym: Anhalonium lewinii.
Name: from theGreek words lophos, means the crest of a hill or helmet, and phoreo, meaning to carry.
English: Peyote, Peyotl, Mescal buttons.
Genus: 3 species.
Source: Boericke, Clarke, Havelock Ellis, Murphy, Wier Mitchell.
Region: Texas, Mexico.
Botany: spineless, button-like cactus; extremely slow growing, size of a golf ball, faster in cultivation.