Show simple item record Zanne, Amy E. Tank, David C. Cornwell, William K. Eastman, Jonathan M. Smith, Stephen A. FitzJohn, Richard G. McGlinn, Daniel J. O'Meara, Brian C. Moles, Angela T. Reich, Peter B. Royer, Dana L. Soltis, Douglas E. Stevens, Peter F. Westoby, Mark Wright, Ian J. Aarssen, Lonnie Bertin, Robert I. Calaminus, Andre Govaerts, Rafaël Hemmings, Frank Leishman, Michelle R. Oleksyn, Jacek Soltis, Pamela S. Swenson, Nathan G. Warman, Laura Beaulieu, Jeremy M. Ordonez, Alejandro
dc.coverage.spatial Global 2014-01-28T16:25:12Z 2014-01-28T16:25:12Z 2013-12-23
dc.identifier doi:10.5061/dryad.63q27.2
dc.identifier.citation Zanne AE, Tank DC, Cornwell WK, Eastman JM, Smith SA, FitzJohn RG, McGlinn DJ, O'Meara BC, Moles AT, Reich PB, Royer DL, Soltis DE, Stevens PF, Westoby M, Wright IJ, Aarssen L, Bertin RI, Calaminus A, Govaerts R, Hemmings F, Leishman MR, Oleksyn J, Soltis PS, Swenson NG, Warman L, Beaulieu JM, Ordonez A (2014) Three keys to the radiation of angiosperms into freezing environments. Nature 506(7486): 89–92.
dc.description Early flowering plants are thought to have been woody species restricted to warm habitats1, 2, 3. This lineage has since radiated into almost every climate, with manifold growth forms4. As angiosperms spread and climate changed, they evolved mechanisms to cope with episodic freezing. To explore the evolution of traits underpinning the ability to persist in freezing conditions, we assembled a large species-level database of growth habit (woody or herbaceous; 49,064 species), as well as leaf phenology (evergreen or deciduous), diameter of hydraulic conduits (that is, xylem vessels and tracheids) and climate occupancies (exposure to freezing). To model the evolution of species’ traits and climate occupancies, we combined these data with an unparalleled dated molecular phylogeny (32,223 species) for land plants. Here we show that woody clades successfully moved into freezing-prone environments by either possessing transport networks of small safe conduits5 and/or shutting down hydraulic function by dropping leaves during freezing. Herbaceous species largely avoided freezing periods by senescing cheaply constructed aboveground tissue. Growth habit has long been considered labile6, but we find that growth habit was less labile than climate occupancy. Additionally, freezing environments were largely filled by lineages that had already become herbs or, when remaining woody, already had small conduits (that is, the trait evolved before the climate occupancy). By contrast, most deciduous woody lineages had an evolutionary shift to seasonally shedding their leaves only after exposure to freezing (that is, the climate occupancy evolved before the trait). For angiosperms to inhabit novel cold environments they had to gain new structural and functional trait solutions; our results suggest that many of these solutions were probably acquired before their foray into the cold.
dc.relation.haspart doi:10.5061/dryad.63q27.2/1.1
dc.relation.haspart doi:10.5061/dryad.63q27.2/2.1
dc.relation.haspart doi:10.5061/dryad.63q27.2/3.1
dc.relation.haspart doi:10.5061/dryad.63q27.2/4.1
dc.relation.haspart doi:10.5061/dryad.63q27.2/5
dc.relation.isreferencedby doi:10.1038/nature12872
dc.relation.isreferencedby PMID:24362564
dc.subject phylogeny
dc.subject taxonomy
dc.subject growth form
dc.subject woodiness
dc.subject freezing exposure
dc.title Data from: Three keys to the radiation of angiosperms into freezing environments
dc.type Article
dwc.ScientificName Tracheophyta
dwc.ScientificName Spermatophyta
dwc.ScientificName Euphyllophyta
dwc.ScientificName Angiospermae
prism.publicationName Nature
dryad.dansTransferDate 2018-04-18T04:51:42.412+0000
dryad.dansArchiveDate 2018-04-18T13:52:29.302+0000

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Title Taxonomic lookup table containing clade-level mappings for 15,363 genera of Spermatophyta.
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Title Global Woodiness Database
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Title Phylogenetic Resources
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Description This archive contains datasets and resulting trees for maximum likelihood phylogeny reconstruction and time-scaling.
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Title Global Plant Species Freezing Exposure Database
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Description This collection of files documents the processing of the Global Biodiversity Information Facility (GBIF) geographic data and the WorldClim Bioclim data to produce a species freezing exposure datafile which is also included.
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Title Global Leaf Phenology Database
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