''Rubus palmeri'' is a rare Mexican species of brambles in the
rose family
Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera.
The name is derived from the type genus ''Rosa''. Among the most species-rich genera are '' Alchemilla'' (270), ''Sorbus ...
. It has been found only in the
Sierra Madre Occidental
The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through northwestern and western Mexico, and along the Gulf of California. The Sierra Madre is part of the American ...
in
Chihuahua,
Durango,
Jalisco,
Nayarit
Nayarit (), officially the Free and Sovereign State of Nayarit ( es, Estado Libre y Soberano de Nayarit), is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided in 20 municipalities and its ...
, and
Sonora in western Mexico.
[Rydberg, Per Axel. 1913. North American Flora 22(5): 456]
/ref>SEINet, Southwestern Biodiversity, Arizona chapter
photos and distribution map
''Rubus palmeri'' is a reclining perennial with stems up to 4 meters (13.3 feet) long, reclining on walls, rocks, or other vegetation. Stems are covered with wool and armed with curved prickles. Leaves are pinnately compound with 3 or 5 leaflets. Flowers are white. Fruits are dark purple.
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References
External links
photo of herbarium specimen at Missouri Botanical Garden collected in Durango in 1906
palmeri
Flora of Mexico
Plants described in 1913
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