Periyar Tiger Reserve is one of the richest biodiversity hot spot in the Western Ghats. In fact, of the nearly 252 species of orchids found in Kerala, 145 are seen in this region. Foxtail Orchid belongs to the Vanda family, a species widely growing above 800 meters of semi-evergeen and moist deciduous forests. Foxtail Orchid is the state flower of both Arunachal Pradesh and Assam.