Polygamous shrubs or trees; stems terete, sulcate, lenticellate, the young branches usually pubescent. Leaves alternate to subopposite, even-pinnate, long-petiolate, exstipulate; leaflets mostly entire, usually thick. Inflorescences axillary or terminal, paniculate or racemiform. Flowers regular, white, small; calyx cupulate, 5-lobed to near the base, the lobes deltoid; petals 5, rarely rudimentary, usually contracted into a long slender claw, bearing a scalelike appendage within, the scales villous; disc regular, fleshy and annular; stamens 8, the filaments sub-filiform, often pubescent; ovary subglobose or obovoid, 3-lobed, with 2 locules, densely pubescent, the style terminal, the stigma 2-or 3-dentate; ovules 1 in each cell, inserted at the middle of the axis. Capsules ellipsoid-subglobose or obovoid, 3-lobed or slightly winged, sessile or stipitate; seeds ellipsoid, arillate, with crustaceous testa.