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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-56196

Peterson, P M; Romaschenko, K; Barker, N P; Linder, H P (2011). Centropodieae and Ellisochloa, a new tribe and genus in Chloridoideae (Poaceae). Taxon, 60(4):1113-1122.

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Abstract

There has been confusion among taxonomists regarding the subfamilial placement of Merxmuellera papposa, M. rangei, and four species of Centropodia even though many researchers have included them in molecular studies. We conducted a phylogenetic analysis of 127 species using seven plastid regions (rps3, rps16-trnK, rps16, rpl32-trnL, ndhF, ndhA, matK) to infer the evolutionary relationships of Centropodia, M. papposa, and M. rangei with other grasses. Merxmuellera papposa and M. rangei form a clade that is sister to three species of Centropodia, and together they are sister to the remaining tribes in Chloridoideae. We provide the carbon isotope ratios for four species indicating that Merxmuellera papposa and M. rangei are photosynthetically C3, and Centropodia glauca and C. mossamdensis are C4. We present evidence in favor of the expansion of subfamily Chloridoideae to include a new tribe, Centropodieae, which includes two genera, Centropodia and a new genus, Ellisochloa with two species, Ellisochloa papposa and E. rangei. The name Danthonia papposa Nees is lectotypified.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Systematic Botany and Botanical Gardens
DDC:580 Plants (Botany)
Language:English
Date:August 2011
Deposited On:21 Feb 2012 16:31
Last Modified:30 Nov 2013 16:22
Publisher:International Association for Plant Taxonomy
ISSN:0040-0262
Official URL:http://www.ingentaconnect.com/content/iapt/tax/2011/00000060/00000004/art00014

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