Cuspidaria Dc.

Lianas, branchlets terete, with or without interpetiolar glandular fields; pseudostipules small or lacking. Leaves simple to 5-foliolate, sometimes with a simple tendril. Inflorescence a terminal panicle, often on a short lateral branch. Flowers with the calyx cupular, 5-denticulate, the teeth usually long and con-spicuous; corolla lavender, tubular-infundibuliform, puberulous outside; anthers pubescent or glabrous, the thecae divaricate, bent at the middle and strongly reflexed forward; pollen grains in tetrads; ovary linear-cylindric, lepidote, the ovules 2-4-seriate in each locule. Fruit a linear or oblong capsule, the valves more or less woody though sometimes quite thin, parallel to the septum, with conspicuously raised more or less winged lateral margins or with 2 submarginal ridges, in either case with a more or less evident central furrow on each valve; seeds thin, bialate, the wings hyaline-membranaceous.