木根沿阶草 mu gen yan jie cao

Roots somewhat stiltlike, straight, 3--5 mm thick, stiff, ± woody, not hairy. Leaves basal, tufted; petiole 7--9 cm; leaf blade suboblong, 11--16 × 3.2--4.2 cm, base attenuate, apex shortly acuminate. Scape ca. 10 cm. Inflorescence a reduced panicle, ca. 6 cm, more than 20-flowered; bracts ovate, 4--5 mm. Flowers solitary or in clusters of 2 or 3; pedicel ca. 3 mm, articulate at middle. Tepals bluish, ovate-lanceolate to lanceolate, ca. 5 × 2 mm. Filaments ca. 1 mm; anthers 2--2.5 mm. Style ca. 4 mm. Fl. Jun. 2 n = 36*.

* Dense forests, rainforests, thickets, moist and shady places; 600--1200 m. S Yunnan.