An annonated checklist for orchids of Tripura in North-east India

In the present paper, an updated checklist ofoOrchids reported so far from the state of Tripura in Northeast India, based on collection in herbaria and research publications on the flora of the state.Additional informations on habit, phenology, occurrence, herbarium collections, etc. have been included.A total of 83 species of orchids from 40 genera have been identified and enumerated.Of these, 63 are epiphytes and remaining 20 species are terrestrial in habit.The most richest orchid genus in Tripura is Dendrobium with 16 species, which is followed by Coelogyne with 8 species.Orchids like Acampe praemorsa, Aerides odoratum, Cymbidium aloifolium, Dendrobium aphyllum, Micropera pallida, Papilionanthe teres, and Rhynchostylis retusa are very common and are distributed throughout the state.