Bulb of 3--10 globose scales, 1--2 cm in diam., surrounded by many small bulbels. Stem 10--33 cm, glabrous. Basal leaves 1--4; petiole 10--24 cm, slender; leaf blade elliptic or ovate, 3--5.5 × 2--2.8 cm, apex acute. Inflorescence 1-flowered; bracts 3 or 4, crowded, suboblong, 2--3 cm × 5--8 mm. Flowers campanulate; pedicel short. Tepals yellow, tessellated with purple, suboblong-elliptic, 3--4 × 0.7--1.4 cm, papillose-tuberculate adaxially, apex obtuse; nectaries inconspicuous. Stamens 1.5--2 cm; filaments glabrous; anthers subdorsifixed. Style 3-lobed; lobes 5--6 mm. Fl. Mar--May.

* Betula alnoides forests, grassy slopes, loose peaty soil with ferns, rocky moist places along streams, crevices of cliffs; 1600--2600 m. W Sichuan.