Lianas, mostly slender. Leaves opposite, non-glandular, ? pubescent above, the hairs with hardened multicellular bases; petiolate, glandular in the axils. In-florescences racemose, axillary and alternate. Flowers small to medium-sized; calyx 5-lobed, the lobes essentially equal, imbricate, bearing squamellae within; corolla salverform, white, without appendages, the limb 5-lobed, the lobes sinistrorsely convolute; stamens 5, wholly included, the anthers free and not agglutinated to the stigma; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules 4-12, the nectary annular, the style 1. Fruit apocarpous, follicular; seed 1 by abortion, dry, naked.
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