Japan Flora: Tall, almost glabrous tree with lenticel- late branches; leaves rather membranous, broadly ovate, 8-15 cm. long, 6-12 cm. wide, short-acuminate, rounded to shallowly cordate at base, with obliquely triangular obtuse teeth, green and glabrous on upper side, pale green and glabrous to thinly pubescent on nerves beneath, becoming deep brown when dry, 3-ncrved from the base, the lateral nerves close to the margin from near the base; the petioles 2.5-6 cm，long, glabrous; cymes terminal and in the upper axils, glabrous, the margin from near the base; the petioles 2.5-6 cm，long, glabrous; cymes terminal and in the upper axils, glabrous, 3-5 cm. across, many-flowered, the pedicels short, the branches thickened in fruit; flowers pale green, about 7 mm. across; calyx-lobes about 2.5 mm. long, acute; disc sparsely pilose; fruit globose, about 7 mm. across, yellowish brown, glabrous, lustrous. June-July.

Hokkaido (Okushiri Isl.), Honshu, Shikoku, Kyushu.  Korea and China.

 

species in e. Asia. with obtuse, obliquely triangular teeth; inflorescence glabrous. 1.   H. dulcis usually pubescent beneath, with appressed partly obsolete teeth; in-           clla