Habitat: Indian and Andaman Coasts, plains of Assam and Khasi hills.
English: Headache tree.Ayurvedic: Agnimantha (Kerala), Shriparni, Jayee, Ganikaarikaa, Vaataghni.Siddha/Tamil: MunnaiFolk: Agethaa, Ganiyaari.Action: Carminative, galactagogue. The tender plant is used for neuralgia and rheumatism. A decoction of leaves is used for flatulence and colic.
Aqueous extracts of the plant showed a powerful action on the uterus and gout of the experimental animals, causing a marked increase in their activity.The leaves contain an isoxazole alkaloid premnazole, which was found to reduce granuloma formation in rats (34.62%), its activity was comparable to phenylbutazone (35-36%).Premnazole also reduced GPT and GOT in serum and liver. Studies suggest that premnazole acts probably byFamily: Verbenaceae.Habitat: Peninsular India, Bihar, West Bengal and North-eastern India.
English: Dusky Fire Brand Bark.Ayurvedic: Agnimantha (var.).Siddha/Tamil: Pachumullai, Erumai munnai.Folk: Agethu (var.).Action: Leaves—diuretic, spasmolytic. Stem bark—hypoglycaemic.
The leaves gave a furanoid, prem- nalatin, and flavone glycosides. The stem bark gave iridoid glucosides and geniposidic acid.Premna latifolia var. mucronata C. B. Clarke and Premna barbata Wall. are known as Bakaar and Basota (in Garh- wal). These have been equated with the classical herb Vasuhatta.