Japan Flora: branches glabrous or nearly so, becoming brownish when dry; leaves opposite, ovate to narrowly so or ovate-oblong, acuminate, often abruptly so, rounded to obtuse at base, whitish beneath, the lateral nerves of 6-8 pairs, the petioles 15-3.5 cm. long; inflorescence cymose, pedunculate; petals 4-5 mm. long, as long as to slightly longer than the filaments, anthers about 1.5 mm. long; styles shorter than the filaments, the stigma subglobose, truncate; fruit black, globose, about 5 mm. across, the stones unpitted. June-July. Mountains.

Honshu, Shikoku, Kyushu. China