Glab. perennial up to 18 cm. tall, us. less, with stout rhizome. Lvs radical, clustered; petiole slender, grooved, up to 10 cm. long, expanded to membr. sheathing base. Lamina 8-25 × 4-12 mm., about ovate-oblong to oblong, subcordate at 2-lobed base, slightly sinuate to entire, deeply emarginate at apex. Lobes upturned and ± appressed to lamina, at most to midway. Scape solitary, short, 1-fld, finally up to 14 cm. long. Sepals 5-7, pale yellow, 3-nerved, linear-subulate, attenuate. Stamens 15-20; carpels 6-12, ovate in outline, 4-5 mm. long; style rather stout, c. 2 mm. long. Ripe heads c. 1·5 cm. diam.; seeds 2-5 per follicle.

2n = 48