Swertia lawii Burkill

Family ► Gentianaceae.

Habitat ► Western Ghats from Maharashtra to South Kanara at 1,200 m.

Ayurvedic ► Kiraatatikta (related species).

Action ► Used as a substitute for Swertia chirayita.

Whole plant gave a number of xan-thones. Erythrocentaurin has also been reported from the plant.

Synonym ► Ophelia paniculata (Wall.) D. Don O. wallichii G. Don

Family ► Gentianaceae.

Habitat ► The Himalaya from Kashmir to Bhutan and in Lushai Hills in Mizoram at 1,500-2,400 m.

Action ► Used as a substitute for Swertia chirayita.

The root gave xanthones (including swerchirin and bellidifolin); flavone-C-glycosides—swertisin and homoori-entin. The plant gave polyoxygenated xanthones and xanthone-O-glucosi-des; also a pentacyclic triterpenehed-eragenin. Aerial parts, in addition to xanthones, contain ursolic acid.

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