Mammillaria tetrancistra

Botanical Description

Mammillaria tetrancistra is a spiny, evergreen, cylindrical cactus that branches to produce one to many globose to cylindrical stems from a fleshy taproot. The aerial portion of the stem is around 5 - 10cm tall and 3 - 6cm in diameter, the underground portion of stem is usually thickened, flabby and rootlike, often 5 - 8cm long and merging into the thickened upper part of the roots[ 270 Title Flora of N. America Publication Author Website http://flora.huh.harvard.edu/fna/ Publisher Year 0 ISBN Description An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses. , 1991 Title Ajo Peak to Tinajas Altas: A flora in southwestern Arizona. Part 7. Eudicots: Cactaceae - Cactus Family Publication Phytoneuron 2014-69: 1-95 Author Felger R.S. et al Publisher Year 2014 ISBN 2153 733X Description ]. The plant is harvested from the wild for local use as a food. Mammillaria tetrancistra is widely distributed, included in several protected areas, and there are no major threats affecting it. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2017)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].