Crotalaria lamelliformis is described and illustrated as a new species in sect. Calycinae from Eastern Ghats, Andhra Pradesh of India. The habitat ecology, distribution and conservation status are briefly discussed in this study. This new species is apparently resembled to Crotalaria albida B. Heyne ex Roth. (Nov. Pl. Sp., 1821:333) but shows a definite difference by showing a combination of vegetative morphology, inflorescence architecture and floral characters.