Rhodora 14: 141, plate 95, figs. 2A–G. 1912
Phenology: Flowering Apr–May; fruiting Jul–Aug.
Habitat: Dry, open sites with rocky, gravelly, or sandy soil, calcareous soil
Elevation: 0–500 m
Man., Ont., Que., Sask., Ill., Ind., Iowa, Kans., Md., Mich., Minn., Mo., Nebr., N.J., N.Y., N.Dak., Ohio, Pa., S.Dak., Vt., W.Va., Wis.
Amelanchier humilis is distinctive in its strongly rhizomatous or suckering habit, erect inflorescences, leaf margins with three to six teeth on distal cm, and preference for basic or neutral soils. Amelanchier humilis was considered to be conspecific with A. spicata by G. N. Jones (1946). Occurrence of A. humilis in Saskatchewan, Kansas, and Nebraska is questionable, as no specimens were seen to confirm its presence there.
M. L. Fernald (1950) reported hybrids between Amelanchier humilis and A. arborea, A. bartramiana, and A. spicata. The authors have observed putative hybrids with A. amabilis.