Japan Flora: Deciduous, much-branched tree, branches gray-brown, terete, 4-striate when young, spreading-puberulent; leaves ovate, elliptic, or obovate, 3.5- 8 cm. long, 2-3 cm. wide, acute to short-acuminate, sub¬acute at base, glabrous on upper side, with 3-5 pairs of lateral nerves, white spreading-pubescent at least on the axils of nerves beneath, the petioles 2-3 mm. long; panicles terminal, 5-10 cm. across, obtuse, densely many-flowered, pnberulent, the pedi¬cels 5-8 mm. long, jointed at base, the subtending bracts small; calyx-tube hemispherical-obconical, about 3 mm. long, glabres- cent, 10- to 12-ribbed, the lobes 5-6, ovate, acute; limb of the petals white, ovate, wrinkled, 5-6 mm. long, slightly longer than the linear claw; capsules ellipsoidal, 8-10 mm. long; seeds obliquely oblong, inclusive of the wing, about 6 mm. long. July-Aug.

Kyushu (Yakushima and Tanegashima). Ryukyus and Formosa.