Small trees. Stipules wanting. Leaves alternate, paripinnate; leaflets entire; distal leaflet rudimentary. Inflorescences distal, simple or paniculate thyrses, with flowers in simple or compound dichasia. Flowers functionally unisexual; calyx zygomorphic, sepals 5, free, imbricate, the outer 2 smaller; petals 5, clawed, twice as long as the sepals, with a bilobed minute appendage forming a pocket above the claw; disc annular, cup-shaped, 5-lobed; stamens 8; pollen colporate, perforate; ovary 2-carpellate, with a single ovule per carpel; stigma shortly bifid. Fruit, (1)2-coccate, woody, unwinged, schizocarpic. Seeds exarillate.
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