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FOC | Family List | FOC Vol. 12 | Rhamnaceae | Berchemia

9. Berchemia annamensis Pitard in Lecomte, Fl. Indo-Chine. 1: 925. 1912.

越南勾儿茶 yue nan gou er cha

Shrubs climbing. Young branches grayish or gray-brown, glabrous. Petiole 1-1.5 cm, glabrous; leaf blade abaxially pale green, adaxially green, ovate or ovate-elliptic, 6.5-20 × 3.5-6 cm, papery, both surfaces glabrous or abaxially sparsely pubescent on veins, glabrescent, lateral veins 8-12 pairs, prominent on both surfaces, base rounded or cordate, apex acuminate or mucronate, mucro to 5 mm. Inflorescences 5-10 cm, pubescent. Flowers yellow-green, glabrous, usually few in fascicles, in terminal, pedunculate, broad cymose panicles. Pedicel 1-2 mm, glabrous. Drupe obovoid or obovoid-elliptic, 5-7 mm, 4-5 mm in diam., apex mucronulate, with persistent cup-shaped remnants of disk at base; fruiting pedicel 2-3 mm, glabrous. Fl. Jul-Aug, fr. Apr-May of following year.

Forests, mountain thickets; middle elevations. Guangdong (Longmen), Guangxi [Vietnam].

This species is distinct in having an obovoid drupe.


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