Didymocarpus sivagiriensis, a new species of Gesneriaceae from Tirunelveli district, Tamil Nadu, India

A new species, Didymocarpus sivagiriensis, is described and illustrated. The species differs from its closely allied species, D. wightii (C. B. Clarke) Gamble, in having longer leaves, presence of glandular hairs, longer and dichotomously branched scapes, bluish corolla, puberulous style and longer capsules.