References
- JD Hooker. Flora of British India. Vol. VI. Bishen Singh Mahendra Pal Singh, 23 A, New Connaught Dehra Dhun; (1982). 249–250.
- Kiritkar, and BD Basu. Indian medicinal plants. Allahabad: Sundhindra Nath Basu, Bahadur Ganj; (1918). p 141.
- G Watt. The dictionary of economic products of India. Vol. V. Part I. New Delhi: Cosmo publications; (1972). p310–311.
- H Budzikiewicz, JM Wilson, and C Djerassi. (1963). J Amer Chem Soc 85:3688.