Summary
A new one-flowered species of Nervilia is described and illustrated from plants collected in Nakhon Ratchasima Province, eastern Thailand. The glabrous, angular leaf of Nervilia khaoyaica Suddee, Watthana & S. W. Gale affiliates it to the taxonomically difficult and widespread Nervilia adolphi – punctata species alliance of Section Linervia, but it is otherwise readily distinguished by its broad, oblong-obovate lip with a saccate base and obscure, rounded side lobes below the middle, and by the striking colouration of the disk.
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Acknowledgements
We are grateful to Narong Jirawatkavi and Phetch Triphetch for collecting herbarium material and providing field information, and to Voradol Chamchumroon and Narong Jirawatkavi for supplying photographs. Orathai Kerdkaew helped prepare the line drawing and André Schuiteman provided nomenclatural advice.
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Gale, S.W., Suddee, S. & Watthana, S. Studies in Asian Nervilia (Orchidaceae) III: N. khaoyaica, a new species from eastern Thailand. Kew Bull 68, 331–335 (2013). https://doi.org/10.1007/s12225-013-9438-0
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DOI: https://doi.org/10.1007/s12225-013-9438-0