Sitka mountain-ash (Sorbus sitchensis)

• Size: Grows upright, often many-branched but sometimes treelike, to 25' tall and 1' in diameter.

• Leaves: Pinnately compound (7-11 leaflets per leaf), alternate, deciduous. Leaflets are roughly elliptical with serrated margins except near base where they are entire.

• Fruit: Small, apple-like, in large clusters, red to red-orange in color.

• Flowers: White and tiny, but in large, flat-topped, showy clusters of 100-200.

• Twigs: Stout, alternate, olive colored, with large terminal buds.

• Bark: Thin, smooth, grayish-green.

• Distribution: Sun-loving and common in the mountains of the western U.S. and Canada.

For more information about these species see "Trees to Know in Oregon".