云南沿阶草 yun nan yan jie cao

Ophiopogon lancangensis H. Li & Y. P. Yang.

Stem prostrate, elongate, 2--4 mm thick, with some aerial roots. Leaves in distant tufts, 3--9 per tuft; petiole (5--)8--18 cm; leaf blade abaxially glaucous, lanceolate to oblong-lanceolate, 7--20 × 0.8--1.5 cm, ca. 11-veined, apex acute or acuminate. Scape arising from an apical leaf axil, 7--12 cm. Inflorescence a raceme, several to 20-flowered; bracts ovate to ovate-lanceolate, 3--12 mm, membranous. Flowers solitary; pedicel 6--10 mm, articulate proximally. Tepals chalk white, ovate to ovate-lanceolate, 8--9 × 2.5--3 mm. Filaments ca. 1 mm; anthers free, 6--7 mm. Style nearly as long as anthers. Seeds ellipsoid, 8--10 mm in diam. Fl. May--Jun, fr. Jul--Aug. 2 n = 36*.

* Mixed forests, bamboo forests; 1700--2500 m. Guangxi, Yunnan.