A subshrub up to 3 m tall, branchlets glabrescent. Leaves are stipulate, nearly always alternate, and range from bipinnately or palmately compound to simple. Flowers are usually bisexual, actinomorphic to zygomorphic, slightly to strongly perigynous, and commonly in racemes, spikes, or heads; perianth commonly consists of a calyx and corolla of 5 segments each; androecium consists of commonly 1- many stamens (most commonly 10), distinct or variously united, sometimes some of them reduced to staminodes; pistil is simple, often stipitate, comprising a single style and stigma, and a superior ovary with one locule containing 2-many marginal ovules. Fruit is usually a legume, sometimes a samara, loment, follicle, indehiscent pod, achene, drupe, or berry. Seeds often have a hard coat with hourglass-shaped cells. |