Japan Flora: Deciduous shrub to small tree; leaves chartaceous, ovate to narrowly so or elliptic, 5-7 cm. long, 2-4 cm. wide, acuminate, glabrous, whitish and often soft-pubescent on the nerves beneath, the petioles slender, 10-20 mm. long; flowers opening before the leaves, the pedicels thickened, 8-10 mm. long, slightly ligneous; fruit globose, brownish yellow, about 15 mm. across. Mar.-Apr. Mountains;