Aruncus dioicus var. acuminatus
J. Jap. Bot. 30: 68. 1955.
EndemicIllustrated
Basionym: Aruncus acuminatus Rydberg in N. L. Britton et al., N. Amer. Fl. 22: 255. 1908
Leaf surfaces mostly glabrous. Styles 0.3–0.5 mm. Follicles slender, 2.5–5 mm. Seeds 1.8–2.5 mm. 2n = 18.
Phenology: Flowering early summer.
Habitat: Moist to wet ravines, rocky ledges, avalanche tracks, stream banks, forest edges and openings
Elevation: 0–4800 m
Distribution
Alta., B.C., Yukon, Alaska, Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.