Woody climbing plants with lenticellate stems. Leaves opposite; stipules present, linear-subulate, deciduous. Flowers in few-flowered lax umbellate or panicled racemes, regular, white, pedicellate. Bracts and bracteoles persistent. Sepals 5, imbricate, shortly connate at the base, without glands, closed over the petals in bud. Petals 5, free, clawed, deciduous. Stamens 10, all fertile; anthers basifixed, with a cordate base; filaments short, free or somewhat connate at the very base, glabrous. Ovary 3-locular, tomentose; styles 3, filiform, elongate, with terminal very small stigmas. Samara subglobose, drupe-like, with only 1 of the mericarps fully developed, sublignose, with nearly parallel crest-like coriaceous free wings, 1 on the apex, the others laterally.
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