1. M. L. Hjertson, Bot. J. Linn. Soc., 119, 265 (1995).
2. A. Ghani, Medicinal Plants of Bangladesh with Chemical Constituents and Uses, Asiatic Society of Bangladesh, Dhaka, 2003.
3. M. Singh, S. Walia, and A. K. Singh, Indian J. Nat. Prod. Res., 4, 138 (2013).
4. S. Pant and S. S. Samant, Ethnobot. Leafl., 14, 193 (2010).
5. K. P. Tiwari and R. N. Choudhary, Phytochemistry, 18, 2044 (1979).