Perennial herb, 0.10-0.15 m high, procumbent. Stems several, young parts puberulous, glabrescent. Leaves minutely stipulate, puberulous, glabrescent, pinnately 5-7-lobed; lobes linear, entire. Inflorescence pseudo-terminal, few-flowered, subtended by 2 minute bracts. Sepals ovate-oblong to oblong-elliptic, puberulous, outer 2 cucullate, shortly horn-tipped; inner 2 saccate and with broad membranous margins. Petals narrowly obovate, cuneate, very minutely puberulous at base outside. Fruit shortly stipitate, oblong or linear-oblong, bulged by seeds. Seeds oblong-oval, subcompressed, seed coat minutely papillose.