Japan Flora: Smooth, nearly glabrous deciduous tree with rather slender branches; leaves obovate to obovate-oblong, 5-12(-18) cm. long, 3-7(-10) cm. wide, abruptly acute, with short appressed teeth, the petioles 1.5-2.5 cm. long; inflorescence a large densely many-flowered pyramidal panicle, glabrous to slightly short-pilose; calyx about 2 mm. long, deeply 5-lobed, the lobes broadly elliptic, rounded at apex, rarely ciliolate; corolla small, 4-5 mm. long, white; fruit 4-5 mm. across. June.

Honshu (Chugoku Distr.), Shikoku, Kyushu. Ryukyus, Formosa, China, and Korea (Quelpaert Isl.).