Lianas, slender, woody. Inflorescences extra-axillary; peduncle and pedicels slender. Sepals overlapping; basal glands 5. Corolla rotate; tube short; lobes valvate. Corona lobes 5, inserted at back of stamens, fleshy, horned-falcate, horizontally stellate spreading. Filaments connate into a tube; anther appendages membranous, broadly ovate, covering stigma head; pollinia 2 per pollinarium, subglobose, horizontal or suberect. Gynostegium exceeding corolla tube. Stigma head discoid.

Three species: India, Nepal, China; all three in China.