双柱柃 shuang zhu ling

Trees to 8 m tall. Young branches glabrous; current year branchlets terete, sparsely yellowish brown pubescent; terminal buds densely pubescent. Petiole 5-8 mm, abaxially pubescent, adaxially grooved; leaf blade elliptic to elliptic-lanceolate, 6-12 × 2-4 cm, leathery, abaxially pale green and sparsely pubescent along midvein, adaxially green and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 20-24 on each side of midvein, secondary and reticulate veins raised on both surfaces, base cuneate, margin sparsely serrate on apical 1/2, apex shortly acuminate. Male flowers not seen. Female flowers axillary, solitary to 4 in a cluster; pedicel ca. 2 mm, pubescent; bracteoles suborbicular, ca. 1 mm, outside pubescent, margin ciliolate, apex rounded and retuse with a mucronate tip; sepals suborbicular, ca. 2 mm, outside pubescent, margin ciliolate, apex rounded and retuse; petals oblong, ca. 4 mm, basally slightly connate; ovary globose, glabrous, 2- or 3-loculed; ovules ca. 12 per locule; style ca. 3 mm, apically 2- or 3-parted. Fruit not seen. Fl. Nov-Dec.

● Forests; 2200-2300 m. Yunnan (Shuangjiang).