Schoenus rupicola: a narrowly endemic species distinguished from S. melanostachys (Cyperaceae, Schoeneae) in eastern Australia
Paul M. Musili A C , Jeremy J. Bruhl A and Karen L. Wilson BA Botany, School of Environmental and Rural Science and N.C.W. Beadle Herbarium, University of New England, Armidale, NSW 2351, Australia.
B National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust, Mrs Macquaries Road, Sydney, NSW 2000, Australia.
C Corresponding author. Present address: East African Herbarium, Botany Department, National Museums of Kenya, PO Box 40658 00100, Nairobi, Kenya. Email: pmutuku@museums.or.ke
Australian Systematic Botany 31(3) 219-231 https://doi.org/10.1071/SB17046
Submitted: 21 February 2018 Accepted: 27 March 2018 Published: 14 June 2018
Abstract
Widespread, common species are of limited value for regional biogeographic studies and of least concern for conservation and land management. In contrast, narrow endemics may be informative for such studies and are usually of high conservation priority. A new species is separated from the widespread species Schoenus melanostachys on the basis of phenetic analysis of morphological data, and integrating evidence from culm anatomy, culm and fruit ornamentation, and corroborated by ecological differentiation. Schoenus rupicola Musili & J.J.Bruhl is found on acid volcanics of south-eastern Queensland and north-eastern New South Wales, adding yet another narrow endemic to the suite of species that characterises the McPherson Range and associated igneous outcrops.
Additional keywords: DELTA, herbarium, Mount Maroon, ordination, PATN, phenetic analysis, plant anatomy, sedges, SEM, taxonomy.
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