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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-21145

Guibert, C; Civeyrel, L; Linder, H P (2009). Male and female separation event trapped in a species tree. Taxon, 58(1):172-180.

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The species-rich genus Carex (Cyperaceae) is one of the 7% of angiosperm genera containing dioecious species. Dioecy is rare in Carex, only 12 spp. out of the 1,776 recorded taxa having been identified as dioecious. This paper focuses on Carex davalliana and C. dioica, the two dioecious species recorded in Europe. We investigated the nuclear (ITS) and chloroplast (trnTLF, rpl16) phylogenies of European Carex and identified incongruence in the phylogenetic history of both C. davalliana and C. dioica. This incongruence probably resulted from hybridisation. We postulate that dioecism was generated from hybridisation between species of opposite inflorescence morphologies (androgynous vs. gynaecandrous). We discuss the advantages of the separation of genders, taking into account the low number of dioecious species in the genus.


5 citations in Web of Science®
6 citations in Scopus®
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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Systematic Botany and Botanical Gardens
Dewey Decimal Classification:580 Plants (Botany)
Deposited On:14 Oct 2009 08:31
Last Modified:05 Apr 2016 13:22
Publisher:International Association for Plant Taxonomy
Official URL:http://www.ingentaconnect.com/content/iapt/tax

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