Cardiopteridaceae Blume

Twining climbers with latex. Leaves alternate, simple, entire or lobed, palmati-nerved, exstipulate. Inflorescence an axillary panicle of scorpioid cincinni; flowers small, bisexual, or bisexual and unisexual, ebracteate, subsessile. Sepals 5, rarely 4, united at base, persistent. Corolla funnel-shaped, caducous; lobes 5, rarely 4, imbricate in bud. Stamens 4 or 5, epipetalous on upper corolla tube, alternate with corolla lobes; anthers medifixed. Disc absent. Ovary superior, of 2 carpels, 1-locular, rudimentary in male flowers; styles 2, dissimilar; ovules 2, pendulous, often 1 aborted. Fruit dry, indehiscent, flat, 2-winged. Seed usually 1, with endosperm; embryo minute, conical.