异药沿阶草 yi yao yan jie cao

Stem prostrate, elongate, 2--3 mm thick, covered with grayish, membranous sheaths, proximally with some aerial roots. Leaves in distant tufts, 2--4 per tuft; petiole 5--8 mm; leaf blade abaxially glaucous, oblong to narrowly so, 4.5--6.5 × 1--1.6 cm, ca. 7-veined. Scape arising from an apical leaf axil. Inflorescence a raceme, 3- or 4-flowered; bracts lanceolate, basal one 3--4 mm. Flowers solitary; pedicel 6--8 mm, articulate at or below middle. Tepals revolute, white, lanceolate, 7--8 × 1.5--2.5 mm. Filaments very short; anthers lanceolate, ca. 7 mm, connate to form a cone. Style slightly longer than anthers. Fl. Jul.

* Forests; 1200--1700 m. Guangxi, Guizhou, Hubei, Hunan, Sichuan.