Young branches narrowly winged; leaf-bearing branches elongated. Petiole 1.9-6 cm, glabrous; leaf blade elliptic to ovate, 7.5-13 × 3.5-7.5 cm, thinly papery, papery, or rarely subleathery, variably glaucescent, abaxially glabrous except for pubescent primary and secondary veins, secondary veins (4 or)5 or 6(or 7) on each side of midvein, base cuneate, broadly cuneate, or truncate, margin denticulate, apex acuminate. Flowers axillary to semi-persistent or persistent leaf-bud scales at base of young shoots or axillary to leaves, solitary; peduncle 2.3-4.8 cm (staminate), 5.4-7.1 cm (pistillate), glabrous. Tepals 6-8, pale yellow, largest 7.5-11 × 6-10.5 mm, glabrous. Staminate flowers: stamens 18-28, ± distinct; pollen 6-colpate. Pistillate flowers: carpels 36-55; pseudostyle elongated, narrow. Fruit peduncle 7.5-13.5 cm, glabrous; torus 7.5-10.5 cm; apocarps red, 2.5-6 × 2.5-4.5 mm. Seed testa tuberculate to very tuberculate. Fl. Apr-May, fr. Jul-Aug.