| + | A widespread and variable genus of 30 species allied to Centrosema, and characterized by the calyx- tube being cylindrical and longer than the lobes: standard narrowed at the base, not appendaged on the back; stamens in one group, the anthers all alike; style often bearded. The most important garden plant is C. Ternatea, a warmhouse annual twiner, reaching 15 ft., and requiring no special cult. It has very showy blue fls. |