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Tytuł pozycji:

Global patterns and a latitudinal gradient of flower disparity: perspectives from the angiosperm order Ericales.

Tytuł :
Global patterns and a latitudinal gradient of flower disparity: perspectives from the angiosperm order Ericales.
Autorzy :
Chartier M; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
Von Balthazar M; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
Sontag S; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
Löfstrand S; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
Palme T; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
Jabbour F; Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP39, 75005, Paris, France.
Sauquet H; National Herbarium of New South Wales (NSW), Royal Botanic Gardens and Domain Trust, Mrs Macquaries Rd, Sydney, NSW, 2000, Australia.; Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Kensington, NSW, 2033, Australia.
Schönenberger J; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria.
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Źródło :
The New phytologist [New Phytol] 2021 Jan 17. Date of Electronic Publication: 2021 Jan 17.
Publication Model :
Ahead of Print
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Publication: Oxford : Wiley on behalf of New Phytologist Trust
Original Publication: London, New York [etc.] Academic Press.
Contributed Indexing :
Keywords: Angiosperms; Ericales; biodiversity; disparity; diversity; flower morphology; latitudinal gradient; morphospace
Entry Date(s) :
Date Created: 20210117 Latest Revision: 20210117
Update Code :
20210210
DOI :
10.1111/nph.17195
PMID :
33454991
Czasopismo naukowe
Morphological diversity (disparity) is an essential but often neglected aspect of biodiversity. Hence, it seems timely and promising to re-emphasize morphology in modern evolutionary studies. Disparity is a good proxy for the diversity of functions and interactions with the environment of a group of taxa. In addition, geographical and ecological patterns of disparity are crucial to understand organismal evolution and to guide biodiversity conservation efforts. Here, we analyse floral disparity across latitudinal intervals, growth forms, climate types, types of habitats, and regions, for a large and representative sample of the angiosperm order Ericales. We find a latitudinal gradient of floral disparity and a decoupling of disparity from species richness. Other investigated factors are inter-correlated and we find the highest disparity for tropical trees growing in African and South American forests. Explanations for the latitudinal gradient of floral disparity may involve the release of abiotic constraints and the increase of biotic interactions towards tropical latitudes, allowing tropical lineages to explore a broader area of the floral morphospace. Our study confirms the relevance of biodiversity parameters other than species richness and is consistent with the importance of species interactions in the tropics in particular with respect to angiosperm flowers and their pollinators.
(This article is protected by copyright. All rights reserved.)

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