Derris ovalifolia (Wight & Arn.)Benth., F.A.W.Miquel, Pl. Jungh.: 252 (1852) (syn: Millettia ovalifolia (Wight & Arn.) Kurz; Phaseoloides ovalifolium (Wight & Arn.) Kuntze; Pongamia ovalifolia Wight & Arn.; Pterocarpus ovalifolius (Benth.) Kuntze);
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BSI Flora of India gives distribution as Maharashtra, Puducherry, Tamil Nadu;
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Derris ovalifolia: 2 high res. images.
Found in a sacred grove in Oorani village, ECR Villupuram district. Tamilnadu.
POWO shows distribution as SW. India, while ILDIS gives it as Pondicherry & Tamil Nadu (which may be correct).
BSI Flora of India gives it as Maharashtra, Puducherry, Tamil Nadu.
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References: POWO Catalogue of Life The Plant List Ver.1.1 ILDIS GBIF (High resolution specimens) BSI Flora of India Plant illustrations plantekey