1. Kirtikar KR, Basu BD (1991) Indian medicinal plants, vol I, 2nd edn. Bishen Singh Mahendra Pal Singh, Dehradun, India, p 253
2. Wealth of India—a dictionary of Indian raw materials, industrial products (1988) vol II, Council of Scientific and Industrial Research (CSIR), New Delhi, India, p 120
3. Reviews on Indian Medicinal Plants (2004) vol IV, Indian Council of Medical Research (ICMR), New Delhi, India, pp 119–200
4. Yousif G, Iskander GM, Eisa EB (1983) Fitoterapia 54:81–85
5. Bedi SJ (1978) Econ Bot 32:278–284