Stem usually 1, 1.5-3.5 cm, with 1 leaf near apex. Basal leaves 3 or 4(or 5); petiole 1-1.2 cm; leaf blade abaxially greenish, adaxially brown-green, ovate-reniform, ca. 4-6 mm, nearly as long as wide, base cordate, apex rounded. Cauline leaf sessile, semiamplexicaul, abaxially purple-brown punctate, similar to basal leaves, often with a few rusty brown appendages at base. Flower 6-7 mm in diam.; hypanthium inconspicuous. Sepals purple-brown punctate near margin, ovate-oblong, ca. 2.2 × 1.8 mm, margin entire, apex rounded. Petals white, purple-brown punctate, obovate, ca. 4 × 1.8 mm including claw, base attenuate into a claw ca. 0.8 mm, margin densely serrulate, apex rounded. Anthers oblong, 0.5-1 mm; filaments ca. 1.8 mm; staminodes flat, ca. 1.2 mm, stalk ca. 0.6 mm, lamina nearly equaling stalk, 3-lobed to middle, lobes lanceolate, margin entire, apex truncate. Ovary superior, ovoid; style very short; stigma 3-lobed. Capsule unknown. Fl. Jul.

* W Sichuan (Kangding Xian).