Erect subshrubs. Leaves alternate, pinnately or palmately
3-5-veined, margin entire. Flowers axillary, arranged in racemes or cymes;
bracts opposite to flowers. Perianth uniseriate, actinomorphic. Calyx lobes
fused; tube campanulate, cupular, throat usually with thickened ring; lobes 3
or 4, valvate. Stamens 8 or 9 in 1 series; filaments short, free or partly
connate, adnate to style with anthers remaining free; anthers extrorse. Ovary
inferior, 4-loculed; carpels fully connate; style short, 5-20-lobed; stigma
terminal or lateral. Fruit siliquiform.