V.S. Ramachandran, A. Joney John, T. Baluprakash, C. Udhayavani, Piper zeylanicum Miq. (Piperaceae) - Endemic Species New Record for India, ILNS Volume 26, International Letters of Natural Sciences (Volume 26)
https://www.scipress.com/ILNS.26.32
Abstract:
    <i>Piper zeylanicum</i> Miq. (Piperaceae) an endemic species of Sri Lanka is reported and described and illustrated as a new record for India from Nilgiri District of Tamil Nadu.
Keywords:
    Endemic Species, India, Nilgiris, <i>Piper zeylanicum</i>, Sri Lanka