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The evergreen palm-like cycads comprise species ca 20 species in wild or cultivation throughout the tropics and subtropics of the world. There are only 5 species of Cycas L. in India. Cycas beddomei Dyer is endemic to the Eastern Ghats of India with a limited distributional range covering the Cuddapah and Tirupati Hills of Andhra Prdesh. Geologically these hills are part of the 'chegyar' sub-series of cuddapah formation belonging to the erstwhile landmass of gondwanaland.
Ahmedullah et al. (Tue,) studied this question.