Stem 4-8 dm; lfls ovate or ovate-oblong, usually glabrous beneath; raceme short at anthesis, with congested fls, later elongate; pet 2.5-4 mm, mostly spatulate; stigma sessile, wider than the ovary; fruiting pedicels red, 1-2 mm thick; berries ellipsoid-globose, 1 cm, white, rarely red, with persistent stigma; 2n=16. Rich woods; e. Que. to Ont. and Minn., s. to Ga., La., and Okla. May-June. (A. pachypoda)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
