Roxb.Synonym: E. tetragonum Roxb. E. perrottetii Griseb.Family: Gentianaceae.
Habitat: Upper Gangetic plains and tropical Himalaya, also in South India.
Ayurvedic: Ava-chiraayataa (bigger var. of chiraayataa).Folk: Titakhana, Uudakiraayita (Maharashtra).Action: Stomachic,febrifuge, antifungal, bitter tonic.
The leaves gave apigenin, luteolin, vanillic, p-hydroxybenzoic, protocate- chuic and p-coumaric acids.A related species. Exacum pedun- culatum L., found throughout India, ascending up to 1,000 m, is also used as a substitute for Swertia chirayita and Gentiana lutea. Pounded plant is applied externally in rheumatism and gout. It also gave luteolin, diosmetin and phenolic acids.