65TAXONOMIC STUDIES ON SELECTED SPECIES OF THE GENUS POLYGONUM L. (POLYGONACEAE) IN SOUTH INDIAmahara25@gmail.commahara25@gmail.comResearch432014Polygonaceae,Polygonum,South India,Taxonomic studiesMaharajan M,Rajendran ADepartment of Botany, Bharathiar University, Coimbatore, Tamil Nadu, India – 641 046,Department of Botany, Bharathiar University, Coimbatore, Tamil Nadu, India – 641 046