Japan Flora: Branches thick, terete, yellowish brown lanate when young, with small blackish spreading spinelike protuberances; leaves chartaceous, undulate-serrulate, sparsely yellowish brown arachnoid at first and soon glabrous on upper side, densely brown-lanate beneath, the lower oblong-ovate or narrowly ovate, slightly 3-lobed or angled, sometimes 5-angled-ovate, to 17 cm. long, 13 cm. wide, acute to acuminate, open-cordate at base, the petioles 9-13 cm. long, the upper leaves acute to subobtuse, with shorter petioles about 5 cm. long; staminate panicles longer than the leaves, narrow, to 25 cm. long, in­cluding the 6 cm. long peduncle, to 7 cm. across, with a tendril on the peduncle. July.

Kyushu (Higo Prov.); rare.