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10.4.3. Tropical rain forest region


Distributed in areas of western ghats and north east India. Flora: Extensive grass lands interspersed with densely forested gorges of evergreen vegetation known as sholas occur in the Nilgiris (an offshoot of Western ghats).

Sholas also occur in Aanaimalai and Palani hills. The rain forests of the Western ghats have dense and lofty trees with much species diversity. Mosses, ferns, epiphytes, orchids, lianas and vines, herbs, shrubs make diverse habitat. Ebony trees predominate in these forests. A variety of tropical orchids are found. Stratification in rain forests is very distinct-three horizontal layers are distinguished.