Sorbus americana Marshall
Family: Rosaceae
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Paul Rothrock  
Shrub or tree to 10(-15) m; twigs glabrous or nearly so; winter-buds glutinous, with glabrous or sparsely ciliate scales; lfls lanceolate to narrowly oblong, gradually acuminate, 5-9 cm, mostly 3-5 times as long as wide, sharply serrate, paler and usually glabrous beneath; infl 6-15 cm wide; hypanthium and sep glabrous; pet obovate, 3-4 mm, narrowed to the base, equaling or longer than the stamens; fr 4-7 mm thick; 2n=34. In moist or wet soil; Nf. to Minn., s. to Pa. and n. Ill., and in the mts. to n. Ga. May, June. (Pyrus a.)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
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Kathy M. Davis, University of Florida Herbarium  
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