Aztekium Subfamily: Cactoideae Tribe: Cacteae
Aztekium is a genus found solely in Mexico. It contains three species of a small globular cactus. These species grow extremely slowly, taking around two years to attain a diameter of 3 mm.
- Aztekium hintonii Glass & Fitz Maurice
- Aztekium ritteri Boed.
- Aztekium valdesii Macías, Vázquez, Montes