In a study published in the "Journal of Threatened Taxa," in the October 26 issue, the authors Dr Raju Ramasubbu and Felix Irudhayaraj with Gandhigram Rural University say that "if urgent conservation measures are not undertaken, the species could become extinct due to threats and unknown limiting factors."
The study on the rudraksha tree species of E blascoi was conducted by the Dindigul based varsity's researchers throughout Palni Hills from July 2012 to May 2014.
Just two individual rudraksha tree saplings are under the conservation of an NGO. One is at Pambarpuram, Kodaikanal and the other is on the roadside on the way to Dolphin Nose, also in the hill town.
"Elaeocarpus blascoi has a very slow growth rate. It takes more than 15 years to start flowering," the study said.
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They warned that the conservation status indicates that it is critically endangered and not just endangered as the assessment showed.
The status needs to be reassessed and updated on the IUCN (International Union for Conservation of Nature) Red List immediately, with only one mature individual tree surviving in the wild, they urged.