云南凹脉柃 yun nan ao mai ling

Eurya cavinervis f. laevis Hung T. Chang; E. fangii Rehder var. glaberrima P. S. Hsu; E. handeliana Kobuski.

Shrubs or trees, 1-8 m tall. Young branches grayish brown, slightly 2-ribbed; current year branchlets reddish brown, 2-ribbed, glabrous; terminal buds glabrous. Petiole 2-5 mm, glabrous; leaf blade narrowly elliptic, oblong, or oblong-oblanceolate, 3-7 × 1-2.5 cm, thickly leathery to leathery, abaxially pale green, adaxially yellowish green to dark green, sometimes golden yellow glandular punctate, and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 8-10 on each side of midvein, secondary and reticulate veins abaxially slightly raised and adaxially impressed or level, base cuneate, margin closely serrulate, apex acute and with an obtuse to retuse tip. Flowers axillary, solitary or to 3 in a cluster. Pedicel ca. 2 mm, glabrous. Male flowers: bracteoles suborbicular, ca. 0.5 mm, glabrous; sepals suborbicular, 1.5-2 mm, outside glabrous, margin brown glandular, apex rounded; petals obovate, ca. 4 mm; stamens 5-7; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers but slightly smaller; petals ca. 2.5 mm; ovary globose, glabrous; style 0.5-1 mm, apically 3-lobed. Fruit globose, 3-4 mm in diam. Fl. Nov-Jan, fr. Jul-Sep.

Forests or thickets on mountain slopes; 600-3500 m. NE and S Guangxi, SE Xizang, NW and W Yunnan [Bhutan, India (Sikkim), Myanmar, Nepal].