Rhizome 2--3 cm, 1--1.8 cm in diam. Leaf 1, basal, 7--9-foliolate, papery, glabrous; petiole 1.5--1.8 cm, glabrous; lateral leaflets ovate-rhombic to ovate, unequal in size, smaller than central leaflet; central leaflet lanceolate, ca. 14.5 × 5 cm, base broadly cuneate, margin crenate, apex attenuate. Scapes 2, 4--6 cm tall, glabrous. Inflorescences 2- or 3-flowered, glabrous; bracts 3-foliolate. Flowers ca. 0.8 cm in diam., glabrous. Pedicel ca. 1 cm. Sepals white, obovate, 4--5 × 4--5 mm, apex obtuse. Petal limbs orbicular-ovate, shorter than sepals, apex emarginate; claw longer than limb. Stamens ca. 3 mm. Pistils linear, nearly as long as stamens; persistent styles short. Fl. Jan.

* By streams in woods; ca. 1300 m. SE Yunnan (Malipo Xian).