Elatostema microtrichum W. T. Wang

Herbs perennial, dioecious, ca. 30 cm tall. Stems ascending or erect, branched, puberulent. Leaves alternate; nanophylls absent; stipules lanceolate-linear, 4.5-5.5 × 1.5-2 mm, glabrous, without cystoliths; petiole 0-1 mm; leaf blade obliquely elliptic, 5.5-9.5 × 2.5-4 cm, papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface puberulent along nerves, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half rounded, margin dentate, apex acuminate or caudate-acuminate. Male inflorescences solitary, simple, 4-8 mm in diam.; peduncle 60-70 mm, glabrous; receptacle broadly elliptic, 4-7 × 2.5-6 mm; bracts connate, 0.8-1 mm; bracteoles broadly linear or linear. Male flowers 4-merous. Fl. Jun.

SW Yunnan.

* Evergreen broad-leaved forests on mountain slopes; 2100-2200 m.