Publication: Sida 20(1): 121-127, f. 3-4. 2002.
Origin: Native
selected vouchers: WTU
Notes: A black-fruited species related to C. douglasii, differing in pubescence, thorn characters, and fruit shape. It is known from dry soils in Thurston Co., and otherwise is widespread east of the Cascades.
References: (none)