noun
: any of several large-flowered wild peas of the closely related genera Clitoria and Centrosema: as
a. : a common twining vine ( Clitoria mariana ) of the southeastern and central United States with pale blue 2-inch flowers having very large standards
b. : a weakly twining to prostrate vine ( Centrosema virginianum ) occurring from New Jersey to tropical eastern No. America and sometimes cultivated for its purple and white flowers