Corypantha elephantidens

Description: Coryphantha elephantidensSN|3920]]SN|3920]] is a large, depressed-globular cactus, simple or occasionally clumping and group-forming. C. elephantidens usually has pink flowers but they can sometimes be yellow. This species comprises three subspecies - the typical form, subsp. bumamma (Ehrenb.) Dicht & A.Lüthy, and subsp. greenwoodii (Bravo) Dicht & A.Lüthy.

Derivation of specific name: The epithet 'elephantidens' comes from Latin and means 'elephant tooth' and describes the fang-like spines of this species.

Stems: Simple, flattened globular to subglobose, up to 14(-19) cm in diameter and 14 cm high, glossy dark green, subglaucous.

Tubercles; Very large, somewhat flattened, 20-30 (60) mm wide, obtuse, rounded on top, pentaedrical at the base, 4 to 5 cm wide, always broader than rounded, without glands, the tubercles axil is densely woolly.