The Tiger Reserve area is rich in floral composition owing to its location. The region comprises of 5 forest types which includes primarily Deciduous forest combined with Thorn forest, tropical hill forest and Riparian forest.
Sandal occurred predominantly in these forests and it was designated as the Royal Tree by King Tippu Sultan. Terminalia spp, Anogeissus latifolia, Dalbergia latifolia, Syzigium spp, Acacia spp, Mesua ferrea, Albizzia amara, Mesua ferea, Hardwickia binata, Ziziphus spp, Vites spp, Pterocarpus marsupium, Phyllanthus emblica, Mangifera indica, Pongamia glabra, combined with Teak and Bamboo are some of the notable species.
Sathyamangalam Forest area is also known for Bamboos in the past. Larger areas were found under bamboo forests and systematic felling of bamboos and silivicultural operations were carried out. Bamboo was supplied to Seshasayee Paper and Board as raw material to the industry. Between 1972- 1975 gregarious flowering of bamboo appeared everywhere and all bamboo patches were totally dried out from many places. Thus, bamboo was totally wiped out from this division, except in few pockets in Moyar Valley and Hassanur Range.