Rubus palmeri is a rare Mexican species of bramble.
It is a reclining perennial plant with stems up to long, reclining on walls, rocks, or other vegetation. The stems are covered with wool and armed with curved prickles. The leaves are pinnately compound with 3 or 5 leaflets. The flowers are white and the fruits are dark purple.Rydberg, Per Axel. 1913. North American Flora 22(5): 456
The species has been found only in the Sierra Madre Occidental in Chihuahua, Durango, Jalisco, Nayarit, and Sonora in western Mexico.SEINet, Southwestern Biodiversity, Arizona chapter photos and distribution map
References
External links photo of herbarium specimen at Missouri Botanical Garden collected in Durango in 1906