Habitat: Throughout India.
English: Shrubby Basil.Ayurvedic: Vriddha Tulasi, Raam- Tulasi, Raan-Tulasi.Siddha: Elumicha-Tulasi, Peria- Tulasi.Action: Plant—used in neurological and rheumatic affections, in seminal weakness and in aphthae of children. Seed—used in cephalalgia and neuralgia. Essential oil— antibacterial, antifungal.
In homoeopathy, fresh mature leaves are used in constipation, cough, fever, nasal catarrh; also in gonorrhoea with difficult urination.A heterotic hybrid 'Clocimum' (po- lycross of gratissimum) has been developed in India which yields 4.55.7% essential oil having a eugenol content up to 95%. Direct production of methyl eugenol and eugenol acetate from 'Clocimum' oil is reported.Major constituents reported from 'Clocimum' oil are myrcene 8.87, eugenol 68.14, isoeugenol 13.88, methyl- eugenol 1.74%; other constituents are alpha- pinene, limonene, phellandrene, terpene 4-ol, alpha-terpineol, carveol, carvene, geranyl acetate, caryophyl- lone and caryophyllone oxide.(At Regional Research Laboratory, CSIR, Jammu, a study was conducted Ocimum kilimandscharicum Guerke.Synonym: O. camphora Guerke.Family: Labiatae; Lamiaceae.Habitat: Native of Kenya. Cultivated on a small scale in West Bengal, Assam, Tamil Nadu, Karnataka, Kerala and Dehr Dun.
English: Camphor Basil.Ayurvedic: Karpura Tulasi.Action: Plant—spasmolytic, antibacterial. Decamphorized oil— insecticidal, mosquito repellent.
Essential oil contains camphor, pi- nene, limonene, terpinolene, myrcene, beta-phellandrene, linalool, camphene, p-cymene, borneol and alpha-selinene. The Camphor content varies in different samples from 61 to 80.5%.