Shrubs or trees. Leaves imparipinnate with up to 11 alternate leaflets; petiolules unwrinkled; leaflets leathery, acuminate. Inflorescence a terminal raceme; bracts and bracteoles caducous. Calyx lobes broad, much shorter than the tube. Corolla white, pink or mauve; wings and claw with well-marked auricles. Pod shortly stipitate, flat, markedly asymmetric, glabrous or glabrescent, beaked, dehiscing into thin stiff woody twisted valves. Seeds with a short white cup-shaped aril. Derivation of name: after William Grant Craib (1882-1933), sometime Assistant for India at Kew and later Professor of Botany at Aberdeen University Worldwide: 10 species in tropical Africa Zimbabwe: 1 taxon. |
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