矩圆叶柃 ju yuan ye ling

Shrubs or trees, 2-8 m tall. Young branches grayish brown, subterete; current year branchlets pale brown, glabrous, 2-ribbed; terminal buds glabrous. Petiole 5-10 mm, glabrous; leaf blade oblong, rarely oblong-lanceolate or oblong-elliptic, 6-13.5 × 2.5-4 cm, leathery to thinly leathery, abaxially pale green becoming reddish brown when dry, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 8-14 on each side of midvein, abaxially raised, and adaxially slightly impressed, base cuneate to subrounded, margin closely serrulate, apex acuminate to caudate-acuminate and with a retuse tip. Flowers axillary, solitary or to 3 in a cluster. Pedicel 1-1.5 mm, glabrous. Male flowers: bracteoles orbicular, ca. 1 mm, glabrous; sepals orbicular, 2.5-3 mm, subleathery, glabrous, apex rounded and retuse; 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 oblong to obovate, ca. 3.5 mm; ovary globose, glabrous, 3-loculed; style ca. 1 mm, 3(or 4)-parted to middle or base. Fruit black when mature, globose, 5-6 mm in diam. Fl. Nov-Dec, fr. Jun-Aug.

● Forests; 1100-2500 m. NW Guangxi, N Guizhou, Sichuan, NE and SE Yunnan.