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Derris trifoliata Lour.
Climbing much branched shrub or twining habitat, ever green, perennial Tap roots deep sunken and without any aerial outgrowth Leaves compound, leaf axis upto 15 cm long, pulvinous, terete, green alternate, imparipinnate Leaflets elliptic oblong, entire, acuminate, cuneate dark green, coriaceous, dorsiventra, unicostate reticulate venation Inflorescence raceme on peduncle Flower pedicellate, zygomorphic, bisexual, complete Sepals 5, gamosepalous, 5 short lobes above, beneath cup-shaped tube Petals 5, polypetalous, vaxillary, one standard, ovate, apical grooved, white pinkish, basal short notched with two edges, curved, two wings, white, two keels Stamens 10 (9 + 1), diadelphous, anthers remains free, anther bilobed, basifixed, introse, inserted Carpels 2, syncarpous, ovary superior, conical, flattened, single chambered, marginal placentation, Style 1, terminal, stigma absent Pods variable in shape, obliquely rounded or orbicular Seed soiltary, sub-orbicular, reddish brown Economic Importance : Entire plant is used as stimulant, antispasmodic. Bark is used as an alternative in rheumatism.
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