Arborescent; monoecious or polygamous; trunk straight and erect. Leaves orbicular, palmate; leaflets narrow, plicate, connate almost to middle, bilobed, induplicately inserted on axis (V-shaped in T.S.); petioles spinulose or roughened in lower part. Inflorescence a large stout much-branched pedunculate panicle borne amongst leaves; spathes numerous, sheathing. coriaceous, tomentose. Flowers numerous, small. yellow, functionally unisexual, rarely bisexual. Carpels 3, free, stigmas recurved. Drupes 1-3, globose or oblong. Spp. c. 8, of Japan, China and Himalayas. Adventive sp. 1.