长丝沿阶草 chang si yan jie cao

Mondo dracaenoides (Baker) Farwell var. clarkei (J. D. Hooker) Farwell.

Plants stoloniferous. Roots slender, usually with fusiform, tuberous part near middle or tip. Leaves basal, tufted, sessile, grasslike, 7--30 cm × 2--3 mm, 5--7-veined, margin slightly serrulate. Scape 10--20 cm. Inflorescence a reduced panicle, 2--3 cm, 2--5-flowered; bracts lanceolate to narrowly ovate, basal one 6--7 mm. Flowers solitary or paired; pedicel 4--5 mm, articulate at or below middle. Tepals white, ovate to ovate-lanceolate, 7--8 × 2.5--3.5 mm. Filaments ca. 1.5 mm; anthers ca. 4.5 mm. Style basally slightly widened. Fl. Jun--Jul. 2 n = 36*, ?38.

Forests, scrub forests, cliffs, streamsides; 2000--3500 m. E Xizang, NW Yunnan [Bhutan, NE India, Nepal, Sikkim].