Japan Flora: Small tree with glabrescent or pilose branchlets; leaves obovate or cuneate-obovate, 5-8 cm. long, 3-5 cm. wide, caudate!y acuminate, spreading-pilose on both sides especially on nerves beneath, dull, with short, rather obtuse to acute coarse double teeth, the petioles 3-8 mm. long, spreading- pilose; flowers 1-3, in sessile umbels, nodding, small, pink to nearly white; calyx-tube slender, 7-10 mm. long, prominently pubescent, 3-4 times as long as the ovate lobes; petals 5-8 mm. long, retuse; style with a few spreading hairs on the lower part.  Apr. Low mountains.

Honshu, Kyushu.

var. pilosa (Koidz,) Wils. Less prominently hairy on all parts; leaves acutely toothed, the petioles 6-10 mm. long; flowers larger; calyx-tube 2 or 3 times as long as the lobes; petals 8-12 mm. long; style usually gla­brous.  Mountain form especially abundant on the Japan Sea side of Honshu (centr. distr. and northw.).  Grades into the typical phase.