1. Berchemia edgeworthii M. A. Lawson in J. D. Hooker, Fl. Brit. India. 1: 638. 1875.
腋花勾儿茶 ye hua gou er cha
Berchemia axilliflora W. C. Cheng; B. nana W. W. Smith.
Shrubs erect, ca. 2 m tall, branched. Branchlets smooth, glabrous. Stipules narrowly lanceolate, ca. as long as petioles or slightly longer, persistent; petiole 1-2 mm, glabrous; leaf blade abaxially greenish, adaxially green, ovate, oblong, or suborbicular, very small, 4-10 × 3-6 mm, thinly papery, adaxially glabrous, lateral veins 4 or 5 pairs, base rounded, apex obtuse, mucronulate. Flowers white, 2.5-3 mm in diam., glabrous, solitary or 2- or 3-fascicled in axils of leaves. Pedicel 2-4 mm. Sepals ovate-triangular. Petals oblong-spatulate, ca. as long as stamens, apically obtuse or acute. Drupe orange or purple at maturity, cylindric, 7-9 mm, 3-4 mm in diam., with inconspicuous remnants of disk and calyx tube at base; mesocarp sweet; fruiting pedicel 2-4 mm, glabrous. Fl. Jul-Oct, fr. Apr-Jul of following year.
Subalpine thickets, cliffs; 2100-4500 m. SW and W Sichuan, S and SE Xizang, NW Yunnan [Bhutan, India (Sikkim), Kashmir, Nepal].