Biology and molecular phylogenetics of Nematoceras sulcatum, a second endemic orchid species from subantarctic Macquarie Island |
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| Authors: | Mark A. Clements Anne M. Mackenzie Geof R. Copson Brian P. J. Molloy Noel Carmichael Mary L. Skotnicki Patricia M. Selkirk |
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| Affiliation: | (1) Centre for Plant Biodiversity Research, GPO Box 1600, Canberra, ACT, 2601, Australia;(2) Research School of Biological Sciences, Institute of Advanced Studies, Australian National University, GPO Box 475, Canberra, ACT, 2601, Australia;(3) Present address: CSIRO, Plant Industry, GPO Box 1600, Canberra, ACT, 2601, Australia;(4) Department of Primary Industries and Water, GPO Box 44, Hobart, TAS, 7001, Australia;(5) Landcare Research, P.O. Box 69, Lincoln, New Zealand;(6) Parks and Wildlife Service, P.O. Box 126, Moonah, TAS, 7009, Australia;(7) Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia |
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| Abstract: | A second orchid species, Nematoceras sulcatum M.A.Clem. et D.L.Jones, has been found on subantarctic Macquarie Island. A history of its discovery and recognition is provided. The morphology, biology and ecology of the new species are compared with N. dienemum (D.L.Jones) D.L.Jones, M.A.Clem. et Molloy, the other species of orchid on Macquarie Island. Molecular studies based on the internal transcribed spacer (ITS) region of nuclear ribosomal DNA reveal the phylogenetic relationship of the two Macquarie Island species compared to others in the genus from New Zealand and its Southern Ocean islands. |
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| Keywords: | Nematoceras Orchidaceae Subantartic Macquarie Island Internal transcribed spacer (ITS) |
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