刚毛楼梯草 gang mao lou ti cao

Herbs perennial, dioecious, ca. 22 cm tall. Stems ascending or erect, simple, sparsely hispidulous. Leaves alternate; nanophylls absent; stipules lanceolate-linear, ca. 3 × 0.4 mm, glabrous; petiole absent; leaf blade obliquely elliptic, 3.5-9.5 × 2-5 cm, papery, major basal lateral veins both arising at base of leaf blade, abaxial surface glabrous, adaxial surface sparsely setulose, cystoliths obscure, dense; base with broader half auriculate, margin crenate, apex acuminate. Female inflorescences in pairs, 2-4 mm in diam.; peduncle 1-3 mm; receptacle elliptic, 1-3.5 mm; bracts lanceolate-linear; bracteoles narrowly linear. Achenes ellipsoid, 8-ribbed.

* Guangxi (Tianlin).