硬毛楼梯草 ying mao lou ti cao

Elatostema subtrichotomum var. hirtellum W. T. Wang, Bull. Bot. Res., Harbin 2(1): 4. 1982.

Shrubs dioecious, ca. 100 cm tall. Stems erect, branched, densely hirtellous. Leaves alternate; nanophylls absent; stipules subulate, 1.5-2 × 0.1 mm, glabrous; petiole 0.6-1.8 mm; leaf blade obliquely elliptic, 1.8-10 × 1-3.5 cm, papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface sparsely strigillose along nerves; cystoliths conspicuous, dense; base with broader half rounded, margin denticulate, apex caudate-acuminate or acuminate. Male inflorescences solitary, branched, 12-14 mm in diam.; peduncle 0.5-1 mm; receptacle absent; bracts alternate, triangular, 0.4-0.6 mm. Male flowers 5-merous. Fl. Jan.

* Dark damp places in ravines; ca. 800 m. NW Guangxi.