假杨桐 jia yang tong

Shrubs or trees, 2-7 m tall. Young branches gray to reddish brown, glabrous; current year branchlets pale brown, slender, 2-ribbed, glabrous; terminal buds glabrous. Petiole 6-9 mm, glabrous; leaf blade elliptic to oblong-elliptic, 7-14 × 2.5-5 cm, leathery, abaxially pale green, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 8-10 on each side of midvein, slender, abaxially slightly raised, and adaxially visible, base cuneate to broadly cuneate, margin sparsely serrate at least on apical 1/2 to rarely subentire, apex acuminate to acute. Flowers axillary, solitary or to 3 in a cluster. Pedicel 2-3 mm, glabrous. Male flowers: bracteoles very small; sepals ovate to suborbicular, ca. 2 mm, outside glabrous, membranous, margin of outer 1 or 2 sparsely glandular; petals oblong-obovate, 4-5 mm; stamens 13-15; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers but slightly smaller; petals ovate, ca. 2.5 mm; ovary ovoid, glabrous; style ca. 2 mm, apically 3-lobed. Fruit globose, ca. 4 mm in diam. Fl. Oct-Dec, fr. Jun-Jul.

Forests on mountain slopes; 200-700 m. W Guangdong, S Guangxi [N Vietnam].