Annual to perennial, procumbent to erect herbs or rarely subshrubs. Lvs pinnately 5-foliolate (rarely 4-foliolate but not in N.Z. spp.); leaflets entire; principal lateral veins conspicuous or not; stipules minute or 0. Infls axillary, usually umbellate, 1-many-flowered; bracts often 3-foliolate, subtending umbels; bracteoles usually 0. Calyx teeth 5, subequal or lower longer, rarely connate into 2 lips. Corolla deciduous. Vexillary filament free, the remainder connate; anthers uniform. Style glabrous; stigma terminal or lateral. Pod 2-valved, straight or slightly curved, dehiscent, not armed, many-seeded; seeds estrophiolate, smooth and rounded in N.Z. spp.