and forming colonies to clumped. The leaves are oval to nearly circular, 2 - 5 cm long and 1 - 4.5 cm broad, on a 0.5 - 2 cm leaf stem, with margins toothed mostly above the middle.

As with all species in the genus Amelanchier, the flowers are white, with five quite separate petals and five sepals. In A. alnifolia, they are about 2.5-5 cm across, with 20 stamens and five styles, appearing