Lianascs lacticiferous. Leaves opposite, non-glandular, pinnately-nerved, cori-aceous to membranaceous; subsessile to petiolate, the petioles somewhat perfoliate. Inflorescences cymose, greatly reduced, sometimes to a single flower, axillary or terminal, the bracts not apparent. Flowers medium-sized; calyx 5-lobed, the lobes ? equal, without squamellae; corolla infundibuliform, 5-lobed, without appendages, dextrorsely convolute; stamens 5, ? included, the anthers connivent and agglutinated to the stigma, with an enlarged connective, characterized by a tuft of hair; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules many, the nectaries 5, separate or basally connate, the style 1, the stigma fusi-form. Fruit apocarpous, of 2 terete follicles; seeds many, comose apically.
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