Prunus virginiana var. demissa
in C. Wilkes et al., U.S. Expl. Exped. 17: 284. 1874.
Common names: Western chokecherry
Basionym: Cerasus demissa Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 411. 1840
Synonyms: C. demissa var. melanocarpa A. Nelson Prunus demissa (A. Nelson) Rydberg P. demissa var. melanocarpa (A. Nelson) A. Nelson P. melanocarpa P. virginiana subsp. demissa (Nuttall) Roy L. Taylor & MacBryde P. virginiana subsp. melanocarpa (A. Nelson) Roy L. Taylor & MacBryde P. virginiana var. melanocarpa (A. Nelson) Sargent
Leaves: blade elliptic to oblanceolate, lengths of larger at least 2 times widths. Inflorescences: racemes (30–)60–110(–130) mm. Flowers: hypanthium 2–3 mm; sepals 0.7–1.4 mm; petals 4–5(–7) mm. 2n = 16.
Phenology: Flowering Apr–Jun; fruiting Jul–Sep.
Habitat: Canyons, gullies, mountain slopes, stream banks and terraces, chaparral, pine-oak forests, thickets, grassy rocky slopes, bluffs, forest edges, roadsides
Elevation: 30–3000 m
Distribution
Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo., Mexico (Chihuahua, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.
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