Prunus virginiana var. demissa

(Nuttall) Torrey

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
Treatment appears in FNA Volume 9. Treatment on page 366. Mentioned on page 365.

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

V9 595-distribution-map.jpg

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.
Joseph R. Rohrer +
(Nuttall) Torrey +
Cerasus demissa +
Western chokecherry +
Alta. +, B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +, Wyo. +, Mexico (Chihuahua +  and Sonora). +
30–3000 m +
Canyons, gullies, mountain slopes, stream banks and terraces, chaparral, pine-oak forests, thickets, grassy rocky slopes, bluffs, forest edges, roadsides +
Flowering Apr–Jun +  and fruiting Jul–Sep. +
in C. Wilkes et al., U.S. Expl. Exped. +
C. demissa var. melanocarpa +, Prunus demissa +, P. demissa var. melanocarpa +, P. melanocarpa +, P. virginiana subsp. demissa +, P. virginiana subsp. melanocarpa +  and P. virginiana var. melanocarpa +
Prunus virginiana var. demissa +
Prunus virginiana +
variety +