Rungia anamalayana (Chandrab. & V.Chandras.) Nazarudeen & G.Rajkumar collected from the Kanthalloor and Marayoor localities of Idukki district is reported here as an addition to the Flora of Kerala. Further, the herbarium specimens from Virudhunagar district of Tamil Nadu housed at Madras Herbarium is an evidence for the extended occurrence of R. anamalayana beyond the Anamalai hill ranges of Tamil Nadu. A brief taxonomic description, photoplates and distribution map were provided for easy identification in the field.
Paul et al. (Thu,) studied this question.