Bequaertia

Glabrous lianes; older stems crenulate-dentate in cross section; latex present. Leaves opposite, petiolate; stipules extrapetiolar. Inflorescences of axillary dichotomous cymes, without accessory flowers or branches; bracts small, acute, opposite. Flowers small, +/-2-3 mm in diameter; buds shorter than wide. Sepals 5, small, with quincuncial aestivation. Petals very thick and fleshy, unequally imbricate. Disc absent. Stamens 3, with short filaments connate at base; anthers with extrorse, transverse dehiscence; pollen in tetrads, tricolporate. Ovary glabrous, 3-locular, half immersed; ovules 6-8(-12) per locule, in 2 series; style absent; stigma 3-lobed. Fruit of 3 dehiscent mericarps, each with 2 caducous valves. Seeds winged, with a marginal and a submedian vein (raphe), inserted into pocket-like structures at point of attachment; embryo with a prominent radicle; cotyledons not fused, containing latex.