Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex

Zizka, Georg, Schneider, Julio V., Schulte, Katharina, and Novoa, Patricio (2013) Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex. Brittonia, 65 (4). pp. 387-407.

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Abstract

The Chilean Puya species (Puyoideae, Bromeliaceae) constitute an early diverging group within the genus and thus are key taxa for the understanding of the early evolution and biogeography of Puya. However, a modern taxonomic treatment including information from molecular phylogenetic studies is still lacking. Here, a taxonomic revision of the Chilean species of Puya is presented based on morphological, molecular, and biogeographic data. A re-evaluation of the widely applied concept of P. berteroniana led us to the conclusion that the type of P. berteroniana is of hybrid origin and is maintained as Puya x berteroniana. Our studies revealed that the name P. berteroniana has been widely misapplied to what in fact is the northern metapopulation of P. alpestris, which is here described as a new subspecies, Puya alpestris subsp. zoellneri, a member of subgenus Puya. A lectotype is designated for Puya copiapina and a neotype for P. chilensis. Altogether, six Puya species, two subspecies, four varieties and one hybrid taxon are recognized for the Chilean flora in this revision: P. alpestris subsp. alpestris and subsp. zoellneri; P. boliviensis; P. chilensis; P. gilmartiniae; P. coerulea var. coerulea, var. intermedia, var. monteroana, and var. violacea; P. venusta; and P. x berteroniana. A key is provided for their identification.

Item ID: 31782
Item Type: Article (Research - C1)
ISSN: 1938-436X
Keywords: Bromeliaceae, Chile, hybrid, Puya, Puyopsis
Funders: Deutsche Forschungsgemeinschaft (DFG), Biodiversity and Climate Research Centre (BiK-F), Germany, Landesoffensive zur Entwicklung Wissenschaftlicher-Oekonomischer Exzellenz (LOEWE)
Projects and Grants: DFG ZI 557/6, 7-1, DFG SCHU 2426/1-1
Date Deposited: 26 Feb 2014 09:33
FoR Codes: 06 BIOLOGICAL SCIENCES > 0603 Evolutionary Biology > 060310 Plant Systematics and Taxonomy @ 60%
06 BIOLOGICAL SCIENCES > 0603 Evolutionary Biology > 060302 Biogeography and Phylogeography @ 20%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050202 Conservation and Biodiversity @ 20%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960805 Flora, Fauna and Biodiversity at Regional or Larger Scales @ 80%
97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 20%
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