1. J. O. Kokwaro, Ed. “Medicinal Plants of East Africa,” East African Literature Bureau, Nairobi, 1976, p. 69.
2. C. Daruty, “Plantes Medicinales de l’lle Maurice et des Pays Intertropicaux,” 2nd Ed., Mauritius Stationery and Printing, Mauritius, 1911, p. 7.