Japan Flora: Tree, with dark gray smooth bark, the branchlets yellow-brown and scattered long-pilose while young, becoming glabrous, chang­ing to chestnut-brown; leaves rather thin, ovate, 5-10 cm. long, 3-6 cm. wide, acuminate, shallowly cordate to nearly rounded at base, acutely toothed, dull, nearly glabrous or scattered long- pilose above, pilose on nerves beneath, the lateral nerves of 8 to 14 pairs, the petioles 1-2.5 cm. long, pilose; fruiting aments sessile or nearly so, ellipsoidal to oblong, 2-2.5 cm. long, 12-15 mm. in diameter, the scales ciliate, 6-7 mm. long, the midlobe narrowly oblong, obtuse, the lateral lobes ascending, elliptic, about half as long as the midlobe; nuts ovate, about 2 mm. long, the wings slightly narrower than the nut. Mountains;

Honshu, Shikoku, Kyushu. The branches have a characteristic odor when broken.