The Capparaceae is a small family. In the world, there are about 45 genera, 900 species, usually distributed in tropical, subtropical, a few in hot regions in Africa. In Vietnam, there are 7 genera and nearly 60 species. Specification of morphological characteristics (habitats, leaves, flowers, androgynophore, gynophore, fruits and seeds) of the family in order to identify all taxa is very important. This family has main characteristics: Shrubs, trees, or woody vines, evergreen, deciduous in some species of Crateva. Stipules spinelike, small, or absent. Leaves simple or compound with 3-7 leaflets, altemate or rarely opposite. Inflorescences superaxillary; racemose, corymbose, umbellate, paniculate, axillary or at the top of branches. Flowers bisexual, otten with caducous bracteoles. Sepals 4 (-8), in 1 or 2 whorls, equal or not. Petals (0-4 (-8), with or without a claw. Androgynophore in Stixis and Cleome. Gynophore otten as long as filaments. Stamens 6- ca. 150. Pistil 2 (-8)-carpellate, 1 loculed, with 2 to several parietal placentae or 3-6-loculed in Borthwickia and Stixis; ovules several to many. Fruit a berry or capsule, globose. elipsoid, or linear. Seeds 1 to many per fruit, reniform, oval or nearly triangular.
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