A climbing branched shrub having twining habit, evergreen, perennial plant. Leaves compound, alternate, exstipulate, imparipinnate, leaf axis upto 19.0 cm long, solid, woody, green, abaxial, curved, while adaxial narrow grooved. Inflorescence raceme; flower ebracteate, pedicellate, zygomorphic, bisexual, complete, pendulous; sepals 5, gamosepalous, above short lobes, beneath cup-shaped tube; petals 5, polypetalous, vaxillary, one standard, 0.8 cm long and 0.75 cm wide, ovate, apical grooved, not notched; stamens 10 (9 + 1) diadelphous, anthers remain free, anthers bilobed, basifixed, introse, inserted; carpels 2, syncarpous, ovary superior, conical shaped, single chambered, marginal placentation; style 1, terminal, glabrous, terete, stigma absent; Fruit pod, 4 cm long, shuttle shaped, flattened, one margin thicker than other, two seeds in each pod. |