Japan Flora: Trunk often branched above the base; leaves vivid green on upper side, glaucous beneath, obtusely serrulate, 3-7 cm. long and as wide, the petioles reddish, 2-2.5 cm. long; staminate flowers very short-pedicelled, with few small bracts; stamens many, the anthers linear, red, 3-4 mm. long; pistillate flowers short-petioled; style very long; follicles nearly sessile, cylindric, slightiy curved, about 15 mm. long; style very slender; seeds flat, small, winged on one end, 5-6.5 mm. long, inclusive of the wing. Apr.-May. Hokkaido, Honshu, Shikoku, Kyushu. China.

f. pendulum (Miyoshi) Ohwi. Rare form with pendulous branches. Honshu; sometimes cultivated.