familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusSorbus
subgenusSorbus subg. Sorbus
sectionSorbus sect. Tianshanicae
speciesSorbus sitchensis
Sorbus sitchensis var. sitchensis
Treatment appears in FNA Volume 9. Treatment on page 444.
Revision as of 22:43, 16 December 2019 by FNA>Volume Importer
Leaflets: l/w ratio 2.2–3.1, margins toothed apically, serrate for more than 1/2 their length, serrations fine to coarse, sometimes doubly serrate. Flowers: petals white, pink or white in bud, claw glabrous or villous; styles 1.5–2.2(–3) mm. 2n = 68.
Phenology: Flowering spring; fruiting fall.
Habitat: Open conifer woods, forest edges, mountain slopes, meadows, shores of lakes and streams
Elevation: 0–2400 m
Distribution
Alta., B.C., Yukon, Alaska, Calif., Idaho, Mont., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.