1. Denise M. Hosler and Michael A. Mikita, Ethnobotany: The Chemist’s Source for the Identification of Useful Natural Products, J. Chem. Educ., 1987, 64
, 328-332.
2. N. R. Farnsworth, The Pharmacognosy of the Periwinkles: Vinca and Catharanthus, Lloydia, 1961, 24
, 105-138, (pertinent pp. 114-116) and the references cited.
3. N. R. Farnsworth, The Pharmacognosy of the Periwinkles: Vinca and Catharanthus, Lloydia, 1961, 24
, p. 106.
4. A. R. Battersby, D. G. Laing and R. Ramagi, Biosynthesis Part XIX. Concerning the Biosynthesis of (−)-Camphor and (−)-Borneol in Salvia officinalis, J. Chem. Soc. Parkin 1, 1972, 2743-2748.
5. R. N. Chopra, S. L. Nayer and I. C. Chopra, Glossary of Indian Medicinal Plants, CSIR, New Delhi, 1956.