Greene's mountain-ash Rosaceae Sorbus scopulina Greene Listen to the Latin symbol: SOSC2 Other Fact Sheets
Leaf: Alternate, pinnately compound (11 to 15 leaflets), and deciduous. Leaflets are lanceolate, 1 to 2 1/2 inches long and sharply serrated nearly to base, shiny green and smooth above and paler green below.
Flower: Perfect, small white flowers are borne in large, dense, flat-topped clusters; appearing in early summer.
Fruit: Small, round, reddish-orange pomes (1/4 to 3/8 inch diameter), occur in clusters and ripen in late summer to early fall.
Twig: Moderate, olive-green when young but turning reddish brown with age, light colored lenticels; buds large and sticky.
Bark: Thin shiny grayish green to brownish green with numerous lenticels.
Form: An erect deciduous shrub growing to 15 feet tall, often forming dense thickets.

Looks like: Sitka mountain-ash - European mountain-ash - Oregon ash
leaf flower fruit twig bark form1 map
Additional Range Information:
Sorbus scopulina is native to North America.
Range may be expanded by planting.
See states reporting Greene's mountain-ash.
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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