Christisonia flavirubens (Orobanchaceae), a new species from south Western Ghats, India

Christisonia flavirubens J.Mathew & P.M.Salim (Orobanchaceae), a new holoparasitic plant species from the southern Western Ghats, Kerala, India, is described based on morphological data. The diagnostic morphological characters, distribution and images of the new species are presented. Images and comparative characters of the reddish yellow coloured Christisonia species of the south Western Ghats are also provided for its easy identification.