润肺草 run fei cao

Herbs 5-15 cm tall. Root tuber globose or ovoid, 1.5-2 cm in diam. Stems erect, simple, internodes short, puberulent to glabrous. Leaves opposite, rarely alternate at base of stem, sessile; leaf blade linear-lanceolate, 2-4 cm × 2-3 mm, glabrous; lateral veins 5-7 pairs, obscure. Racemes terminal. Pedicel slender, short. Sepals ovate-lanceolate, pubescent. Corolla subrotate, glabrous outside, pubescent inside; lobes lanceolate. Corona lobes reflexed. Pollinia ovoid, ascending. Follicles ca. 9 cm × 4 mm, glabrous. Fl. Oct.

Forests; 300-1200 m. Guangxi, Yunnan [Myanmar]