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

© 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 230(2021), 2 vom: 30. Apr., Seite 821-831
1. Verfasser: Chartier, Marion (VerfasserIn)
Weitere Verfasser: von Balthazar, Maria, Sontag, Susanne, Löfstrand, Stefan, Palme, Thomas, Jabbour, Florian, Sauquet, Hervé, Schönenberger, Jürg
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Ericales angiosperms biodiversity disparity diversity flower morphology latitudinal gradient morphospace
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520 |a 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 factors investigated are intercorrelated, 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 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Ericales 
650 4 |a angiosperms 
650 4 |a biodiversity 
650 4 |a disparity 
650 4 |a diversity 
650 4 |a flower morphology 
650 4 |a latitudinal gradient 
650 4 |a morphospace 
700 1 |a von Balthazar, Maria  |e verfasserin  |4 aut 
700 1 |a Sontag, Susanne  |e verfasserin  |4 aut 
700 1 |a Löfstrand, Stefan  |e verfasserin  |4 aut 
700 1 |a Palme, Thomas  |e verfasserin  |4 aut 
700 1 |a Jabbour, Florian  |e verfasserin  |4 aut 
700 1 |a Sauquet, Hervé  |e verfasserin  |4 aut 
700 1 |a Schönenberger, Jürg  |e verfasserin  |4 aut 
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