Kumar, E. S. S., & Mathew, S. P. (2013). <i>Piper velaudhanii</i> (Piperaceae), a New Name for <i>P. Pseudonigrum</i> Velay. & Amalraj. Journal of Scientific Research, 5(3), 579–580. https://doi.org/10.3329/jsr.v5i3.14237