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Abstract
A new locality in India for Ophiorrhiza heterostyla Dunn (Rubiaceae) is reported, and the combination is lectotypified. Ophiorrhiza rugosa Wall. var. angustifolia (Thwaites) Ridsdale is recorded for the first time for India. Detailed descriptions, distributions, and relevant taxonomic notes along with colour photographs are provided for easy identification of these taxa.
Acknowledgements
The authors are grateful to Dr K.V. Sankaran, former Director, KFRI for providing all the facilities; Kerala State Council for Science, Technology and Environment for financial assistance and the Kerala Forest Department for the permission to conduct scientific work in the forests. Thanks are also due to an anonymous reviewer of the journal Phytokeys for confirming the identity of O. rugosa var. angustifolia; to Dr K.A. Sujana, BSI, Calcutta, Dr J. Venkata Sudhakar, BSI, MH and Mr P.E. Sreejith, Calicut University for various assistance and to. Dr J.F. Veldkamp (L) for critically reading the manuscript.