Cor campanulately subrotate, deeply cleft, the narrow lobes densely bearded on the upper side; corona very short, the 5 broadly rounded lobes alternating with the anther-bases; anthers terminating in a conspicuous, inflexed membrane; pollinia solitary in each pollen-sac, pendulous, apically attached to the translator; style with a slender tip prolonged far past the anthers; twining shrubs or herbs with cordate lvs and pedunculate extra-axillary cymes solitary at the nodes. 6, e. Asia.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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