独龙木姜子 du long mu jiang zi

Deciduous trees, ca. 15 m tall. Branchlets gray-yellow pubescent. Leaves alternate; petiole 1.2-1.5 cm, gray-yellow pubescent when young; leaf blade elliptic or oblong, 11-13.5 × 3.2-4.5 cm, densely shortly tomentose and along veins sparsely pubescent abaxially, puberulent adaxially when young, pinninerved, lateral veins 5 or 6 pairs, transverse veins connected, base and apex attenuate. Umbels in pairs seated on short branchlets ca. 3 mm, male umbel 12-14-flowered; peduncle 5-6 mm, sericeous-pubescent. Pedicel 3-4 mm, densely sericeous-pubescent. Perianth segments 6, ovate or ovate-rounded. Male flowers: fertile stamens 9; filaments pubescent, of 3rd whorls each with 2 subsessile rounded-cordate glands at base; rudimentary pistil lacking. Fl. Nov.

● Broad-leaved forests on mountain slopes; ca. 2200 m. NW Yunnan.