微粗毛楼梯草 wei cu mao lou ti cao

Herbs perennial, dioecious, less than 20 cm. Stems prostrate, branched, densely strigillose. Leaves alternate; nanophyll absent; stipules narrowly triangular, ca. 1.5 mm, hirtellous on abaxial surface; petiole 0-1 mm; leaf blade obliquely obovate to oblong-obovate, 0.9-2.5 × 0.5-1.1 cm, thickly papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, cystoliths conspicuous, dense; base with broader half obtuse, margin serrate, apex acute. Female inflorescences solitary, ca. 3.5 × 2.5 mm, sessile or subsessile; receptacle obscure; bracts connate into a narrow-elliptic involucre, up to 3 × 1 mm; bracteoles narrowly oblong-cymbiform. Achenes ovoid, ca. 8-ribbed. Fl. Jun-Oct.

* Ravines. Taiwan (Taidong).