Lomatogonium madhmaheshwariansis, a new species of Gentianaceae from Himalaya, India

Lomatogonium madhmaheshwariansis (Gentianaceae), a new species from Himalaya, Uttarakhand state, India is described and illustrated. This species is similar to L. carinthiacum, but differs mainly in having a robust habit, quadrangular stems, cordate leaves, bracts absent, erect pedicel, calyx lobe with entire margin, corolla light purple with no striations, few fimbriae appendages and a biangular stigma. It is growing in specific environments of temperate to sub-alpine regions. A population mapping and threat assessment for L. madhmaheshwariansis has been undertaken and using IUCN criteria it is classified as endangered (EN) in Himalaya. A key to all Indian species of Lomatogonium is provided for easy identification.