无量山柃 wu liang shan ling

Trees 5-9 m tall. Young branches brown, glabrous; current year branchlets terete, pubescent; terminal buds densely grayish yellow pubescent. Petiole 2-3 mm, abaxially pubescent, adaxially grooved; leaf blade oblong to oblong-elliptic, 6-9.5 × 2-3 cm, thinly leathery, abaxially pale green and pubescent along midvein, adaxially green, shiny, and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 8-10 on each side of midvein, secondary and reticulate veins abaxially raised and adaxially visible to slightly raised, base cuneate to broadly cuneate, margin serrulate, apex acuminate and with an obtuse tip. Flowers axillary, solitary or to 4 in a cluster. Pedicel 2-2.5 mm, sparsely pubescent. Male flowers: bracteoles ovate, ca. 0.5 mm, outside sparsely pubescent, margin ciliolate; sepals ovate, 2-2.5 mm, membranous, outside pubescent, margin ciliolate; petals oblong to obovate-oblong, 5-6 mm; stamens ca. 15; anthers oblong, ca. 2 mm, 4- or 5-locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers; petals obovate, 3-4 mm; ovary globose, glabrous, 3-loculed; style ca. 2.5 mm, 3-parted to near base. Fruit not seen. Fl. Nov.

● Forests on mountain slopes; ca. 1900 m. Yunnan (Jingdong).