Straggling stoloniferous shrub to 1 m; lvs thinly tomentose when young, at anthesis almost full grown and glabrous, otherwise much like those of no. 4 [Amelanchier spicata (Lam.) K. Koch]; racemes lax, the pedicels 1-3 cm at anthesis, to 4 cm in fr, glabrous or nearly so; hypanthium glabrous or nearly so; sep lanceolate, erect or spreading at anthesis. Limestone hills and barrens; Nf. to Que., N.S., and n. Me., and reputedly to n. Mich. and n. Minn. June, July. (A. gaspensis)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.