Isopyrum peltatum Franchet, Nouv. Arch. Mus. Hist. Nat., sér 2, 8: 190. 1885.

Leaves 2--6; petiole 2.5--6 cm, retrorsely pubescent; leaf blade suborbicular to inconspicuously 5-sided, 0.8--3.2 × 1--3.7 cm, margin repand-crenate and obscurely 5-lobulate to subentire, apex obtuse to rounded. Scapes 6--10 cm tall, sparsely retrorse pubescent. Flowers 1.2--1.5 cm in diam. Pedicel 3--8 mm. Sepals obovate, 6--7 × 4--5 mm, glabrous. Follicles ca. 8 mm. Fl. May--Jun, fr. Jun--Jul. 2n = 16*.

Forests, grassy places at forest margins; 2000--4000 m. W Hubei, Sichuan, NW Yunnan [Bhutan, N Myanmar].