Phaseolus ritensis is a plant species native to Arizona, Sonora, Chihuahua, Sinaloa and Nuevo León.

Common names include "Santa Rita Mountain bean" (in US) and "cocolmeca" in Mexico.

Phaseolus ritensis is a perennial herb with a large woody taproot.

[2][3][4][5] The plant is widely valued for both food and medicine throughout much of its native range.

[citation needed] Green and ripe fruits served as an important food source in times past.[when?]