RAVINDRAN, K. N. B. V. G. N. P. N. Two new taxa of Piper (Piperaceae) from Kerala, India with a note on their origin and interrelationships. Journal of Spices and Aromatic Crops, [S. l.], v. 2, n. 1, p. 26–33, 1993. Disponível em: https://www.updatepublishing.com/journal/index.php/josac/article/view/4309. Acesso em: 5 oct. 2025.