Japan Flora: Dioecious shrub with slender gray-brown branches; leaves deltoid-orbicular, 2-4 cm. in diameter or slightly nar¬rower than broad, thinly pilose on both sides or nearly gla¬brous, often with a tuft of axillary hairs beneath, 3-lobed, the lobes acute to subacuminate, coarsely toothed, the lateral lobes often smaller and sometimes again 2-lobed, the petioles 7-10 mm. long; staminate inflorescence 7- to 10-flowered, the pistil¬late 2- to 6-flowered3 1-2.5 cm. long, the bracts lanceolate, 3-4 mm. long; flowers rotate, yellowish, 4-5 mm. across; calyx¬limb extremely short, the lobes elliptic, glabrous; pedicels of the pistillate flowers about 1 mm. long, of the staminate 3-4 mm. long; fruit red, glabrous, ellipsoidal, about 7 mm. long. May-June.

Honshu (centr. distr.). Korea and Manchuria.