Lianas. Cymes extra-axillary, short pedunculate. Sepals stout; basal glands 5. Corolla ± campanulate; tube short; lobes overlapping to right. Corona lobes 5, short, ovate, inserted at base of corolla. Stamens inserted at base of corolla; filaments free, broad at base; anthers oblong-ovate, pilose on back, long pilose at apex, exserted; pollen carriers spatulate, pollen tetrads in masses, translator oblong, retinaculum ovoid. Styles short; stigma head slightly projected. Follicles divaricate.

One species: India and China.