Flowering from June to July.
Ophiopogon clarkei is occurring in E Xizang, NW Yunnan of China, Bhutan, NE India, Nepal, Sikkim.
Plants stoloniferous. Roots slender, usually with fusiform, tuberous part near middle or tip. Leaves basal, tufted, sessile, grasslike, 10-35 cm long, 2-3 mm wide, 5-7-veined, margin slightly serrulate. Scape 10-20 cm tall. Inflorescence a reduced panicle, 3-5-flowered; bracts lanceolate to narrowly ovate. Flowers solitary or paired; pedicel 4-5 mm long, articulate at or below middle. Tepals white, ovate to ovate-lanceolate, 8-10 mm long, 2-4 mm wide. Filaments ca. 1.5 mm long; anthers ca. 4.5-5 mm long. Style basally slightly widened.
The chromosomal number of Ophiopogon clarkei is 2n = 36 (Zhang, 1998).
Growing in forests, streamsides; 2000-3200 m.
