Description from Flora of China
Herbs, perennial. Roots flat, cylindric to flattened, branched. Stems arising laterally from root margins, simple. Sterile stem leaves in a rosette, simple or digitate, with 3-9 segments. Fertile stems to 1 cm tall; leaves densely imbricate, digitate. Flowers solitary, terminal, zygomorphic, pedicellate, enclosed in spathella before anthesis; spathella ovoid, apex nipple-shaped, usually irregularly dehiscent, sometimes by a lateral slit. Tepals 2, at both sides of filament base, narrowly triangular to linear, membranous. Stamen 1, rarely 2, filament curved, anther basifixed, 2-loculed. Ovary 2-loculed. Stigmas 2. Capsule smooth, 2-valved; largest valve persistent.
Five species: E and SE Asia; two species (one endemic) in China.