Benth. var. glabratus Hook. f.Synonym: O. glabratus Benth.Family: Labiatae; Lamiaceae.
Habitat: Orissa, Gujarat, South India, ascending up to 1,000 m in the hills.
Ayurvedic: Prataanikaa (non- classical).Folk: Tulasi (var.), Kattu-thrithava (Kerala).Action: Plant—a decoction is given in diarrhoea. Leaves—applied externally to cuts and wounds.