Stem 40--100 cm. Leaves scattered, dimorphic, proximal and middle ones shortly petiolate, linear-lanceolate, 8--15 cm × 8--10 mm, distal ones ovate, 3--4.5 × 1--1.2 cm. Flowers usually several to 9 in a raceme, very rarely solitary. Tepals recurved, yellow or orange, with purple-red spots, sublanceolate, 6--6.5 × 0.9--1.1 cm; nectaries with many fimbriate projections on both surfaces. Stamens diverging; filaments 6--6.5 cm; anthers 1.2--1.4 cm. Ovary cylindric, 1.5--2 cm × ca. 2 mm. Style 4--4.5 cm. Capsule brownish green, narrowly oblong, 5.5--6.5 × 1.4--1.8 cm. Fl. Jul--Aug, fr. Sep.

* Forests, hillsides along valleys or streams; 300--900 m. Guizhou, Hubei, Sichuan.