|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Rosaceae||View Description||Dichotomous Key|
|Genus: Sorbus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sorbus sitchensis M. Roem.
Habit: Shrub 1--4 m; stem-buds 8--13 mm, glaucous, not shiny, not sticky, hairs evenly distributed, red-brown. Leaf: leaflets 7--13, 2--6 cm, 0.8--2.5 cm wide, ovate to oblong, dull adaxially, axillary hairs red-brown. Inflorescence: pedicels glabrous or +- red-brown-hairy. Flower: petals 3--5 mm, ovate to diamond-shaped. Fruit: 7--13 mm, red, glaucous. Seed: 3.5--5 mm, ovate to elliptic, +- flat, red-brown. Chromosomes: 2n=34,68.
eFlora Treatment Author: Peter F. Zika
Jepson Online Interchange
Previous taxon: Sorbus scopulina
Next taxon: Sorbus sitchensis var. grayi
Citation for this treatment: Peter F. Zika 2016. Sorbus sitchensis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=44990, accessed on October 21, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 21, 2016.