红鳞飘拂草 hong lin piao fu cao

Fimbristylis rufoglumosa Tang & F. T. Wang.

Annuals. Culms tufted, 10-30 cm tall. Leaf 1/4-1/3 as long as culm; sheath apex obliquely split, mouth margins membranous and pale brown; leaf blade linear, 1-2.5 mm wide, slightly curved, both surfaces scabrous with appressed short pubescence or glabrescent, apex acute. Involucral bracts 3 or 4, leaflike, to 2.8 cm, basalmost ca. 3 × as long as glumes, apically attenuate. Inflorescence a compound anthela; rays many. Spikelets solitary, ovoid to oblong-ovoid, 3-6 × 1.5-2.5 mm, slightly compressed, with basal 1 or 2 glumes empty. Glumes reddish brown, broadly ovate, ca. 2.5 mm, not shiny, glabrous, 1-veined forming an abaxial keel, apex mucronate. Stamens 3. Style 3-sided, not ciliate, basally inflated; stigmas 3. Nutlet white, obovoid, ca. 0.7 mm, 3-sided, verruculose. Fl. and fr. Aug-Sep.

Grasslands, slopes. Fujian, Guangdong, Guangxi [Cambodia, Indonesia, Laos, Myanmar, Thailand, Vietnam; Indian Ocean islands].