Dioecious trees. Shoots pubescent, glabrescent. Leaves opposite, pinnate; leaflets ±opposite; petiole ridged. Inflorescence terminal and axillary. Male flowers numerous, in bracteate glomerules. Sepals 4, connate at base. Petals 4, imbricate. Disc flat, annular, pilose. Stamens 8, exserted, inserted below disc margin; anthers dorsifixed, introrse. Pistillode columnar, pilose apically. Female flowers inside a cupule of partly coherent and connate, bracteate, puberulous cyme branches. Sepals 4, basally connate. Petals 4, ± sepaloid. Staminodes absent. Disc raised-annular, undulate, pilose. Ovary compressed, obliquely ovoid, 1-locular; ovule 1. Style eccentric, filiform, dilated at stigma. Cupule opening by numerous branched valves. Fruit dry, indehiscent, compressed, subreniform, ciliate. Seed 1; endosperm absent.
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