A new species of Parthenocissus, P. wallichianus is described and illustrated from Kerala, India. This taxon was found collected previously India but misunderstood by earlier Indian botanists for names under various combinations among the such as Vitis, Cissus, Cayratia, Causonis. The were based either on Linnaean Vitis trifolia or Lamarck's Cissus carnosa. Both these are currently accepted con...