Trees. Branchlets densely covered with minute stellate pubescence. Stipules inconspicuous, caducous; leaf blade usually lobed, palmately veined. Flowers in 20-30-flowered panicles, axillary or terminal, polygamous. Epicalyx lobes 4-6, foliaceous, connate at base, enlarged into spreading wings in fruit, persistent. Sepals 5, connate at base. Petals 5, pink or white, obcordate, clawed, connate and bearded at base, apex fimbriate. Male flowers: filament tube cylindric, 5-6-lobed to middle, each lobe with 3-5 sessile and reniform anthers; undeveloped ovary globose, sterile style enclosed. Female flowers: filament tube 5-lobed, with 5 sterile anthers. Ovary 2-3(-4)-loculed; ovules 2 per locule, usually erect; style branches 3; stigma peltate, verrucose. Schizocarp nearly globose, dehiscent into 3 mericarps. Seeds reniform, lacunose.
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