Japan Flora: Deciduous tree with brown branches, the young branchlets, inflorescence and petioles with thinly scattered spreading short hairs; leaves obovate-oblong, sometimes ob­long, 6-12 cm. long, 2.5-4 cm. wide, caudate-acuminate, rounded to obtuse at base, serrulate, glabrous or with scat­tered spreading hairs on midrib beneath, the petioles 3-8 mm. long; cymes axillary, subsessile to short-peduncled, few-flow­ered, the pedicels 2-4 mm. long; flowers about 3.5 mm. across; calyx-lobes deltoid, with 3 weak nerves; petals small; stamens 5; fruit narrowly oblong, 8-10 mm. long, yellowish at first, black at maturity. May-June. Mountains.

Honshu (Kinki Distr. and westw.), Shikoku, Kyushu. s. Korea.