Rhizome short, with fleshy roots 2--3 mm thick. Stem often slightly branched distally, 30--60 cm. Petiole, 2--4 mm; leaf blade elliptic to broadly lanceolate, 6--12 × 2--5(--8) cm, base subrounded and slightly conduplicate, margin papillose-scabrous, apex acuminate. Inflorescences terminal and pseudolateral, (2--)4--8-flowered; peduncle often distinct; pedicels 1--2 cm, ridged. Flowers semiopening, narrowed to base. Tepals white or cream, obovate-oblanceolate, 2.5--3.8 cm × 5--8 mm, base shortly gibbous-spurred; spurs ca. 1 mm. Stamens 2--2.8 cm, included; filaments 1.4--2.2 cm; anthers 4--6 mm. Ovary 2--3 mm. Style 1.2--1.8 cm. Berries 0.6--1.5 cm in diam., 4--6-seeded. Fl. May--Jul, fr. Aug--Oct. 2 n = 16*.

* Forests, forest margins, grassy slopes; 1600--2500 m. Gansu, Hubei, Shaanxi, Sichuan.