Japan Flora: Small deciduous tree, the branchlets sparsely puberulent; leaves narrowly obovate to broadly oblanceolate, sometimes oblong, 6-10(-12) cm. long, 2-3.5(-6.5) cm. wide, usually gradually narrowed at both ends, deep green and glabrous atove, paler and puberulent while young beneath, the petioles 8-15 mm. long; panicles large, elongate, 15-20 cm. long, 10-15 cm. wide, puberulent, some­times nearly glabrous; corolla-lobes as long as to slightly shorter than the tube, the filaments longer than the lobes; anthers ob­long, about 1.5 mm. long, half as long as the filaments; styles exserted from the tube, about 4 mm. long; fruit oblong, purple­black, 8-10 mm. long.  May.

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