herbarium of the Department of Botany, Tripura University. cence erect, on fully grown young pseudobulb, the scape FOUR NEW ADDITIONS OF ORCHID SPECIES FOR THE FLORA OF TRIPURA, However, we did not compare our collected specimen with slender, 20 cm long, the rachis 15cm, flexous, bearing about NORTH EAST INDIA the isotype specimen at the Botanical Survey of India. This 15 flowers all open together. Bracts 3cm long, falling. Flower study reveals that four orchid species viz., Coelogyne white, not widely opening. Sepals about 1.7 by 0.6 cm, petals B. Baishnab, B. Banik, K. Majumdar* and B.K. Datta flexuosa Rolfe, Bulbophyllum lobbii Lindl, Liparis odorata 1.4 by 0.4cm, side lobes lip erect, rounded, mid lobe half total (Willd) Lindl, Dendrobium densiflorum Lindl, which are length of lip, hardly widening from the base, very shortly Plant Taxonomy & Biodiversity Laboratory, Department of Botany, Tripura University, Suryamaninagar, Tripura, India reported here as new distributional records for the state tipped, about 6mm wide, keels on lip 3, smooth, from near (Table 1 & Fig.1). base to apex, interrupted near base where the laterals are a *Correspondence:
[email protected] little longer, a yellow patch across middle of mid-lobe and continued back along base of side lobes, column 7mm long, ABSTRACT narrowly winged (Fig. 2). In the present study, four additional Orchids belonging to genera, Coelogyne, Bulbophyllum, Liparis, and Dendrobium of the Flowering and Fruiting: April–June family Orchidaceae were considered as new addition to the flora of Tripura, Northeast India. Present information will be useful for future population assessment and reproductive biology studies to manage its wild stock.