滇四角柃 dian si jiao ling

Shrubs or trees, 2-7 m tall. Young branches grayish brown; current year branchlets purplish brown, 4-ribbed, glabrous; terminal buds glabrous. Petiole 5-7 mm, glabrous; leaf blade narrowly oblong to oblong-oblanceolate, 8-11 × 2-3 cm, leathery to thinly leathery, abaxially yellowish green, adaxially dark green, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 9-11 on each side of midvein, slender, abaxially slightly raised, and adaxially obscure, base cuneate, margin closely serrulate, apex acuminate. Flowers axillary, solitary or to 3 in a cluster. Pedicel 2.5-3.5 mm, glabrous. Male flowers: bracteoles suborbicular, ca. 1 mm, glabrous; sepals orbicular, ca. 2 mm, membranous, glabrous; petals obovate-oblong, ca. 3.5 mm; stamens 11-15; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers but slightly smaller; petals oblong, ca. 3 mm; ovary globose, glabrous, 3(or 4)-loculed; style ca. 1.5 mm, 3(or 4)-parted to base. Fruit black when mature, globose, 5-6 mm in diam. Fl. May-Aug, fr. Oct.

● Forests or thickets on mountain slopes or tops; 2500-3400 m. SE Xizang, NW and SE Yunnan.

This species is expected to be found in N Myanmar.