Habitat: Central and Eastern Himalayas, Khasi Hills, Western Ghats, the Nilgiris and Travancore.
English: Fragrant Wintergreen, Indian Wintergreen. (Wintergreen oil is obtained from G. procumbens Linn., a native of America.)Ayurvedic: Gandhapuura, Gandha- puurna.Siddha/Tamil: Kolakkaai.
Action: Leaves—stimulant, carminative, diuretic, antiseptic. Oil (in the form of liniment or ointment)— applied externally in rheumatism, sciatica and neuralgia. The plant is strongly irritant.
The leaves gave hyperoside (quer- cetin-3-galactoside), ursolic acid, beta- sitosterol and essential oil containing methyl salicylate as a major constituent. The yield of oil from Assam plants contains 99.14% methyl salicy- late. Heptyl aldehyde, present in the low boiling fraction of the oil, brought about the regression of tumours in mice and dogs.... gaultheria fragrantissima