Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats

Elliott, Tammy L., Spalink, Daniel, Larridon, Isabel, Zuntini, Alexandre Rizzo, Escudero, Marcial, Hackel, Jan, Barrett, Russell L., Martín-Bravo, Santiago, Márquez-Corro, José Ignacio, Granados Mendoza, Carolina, Mashau, Aluoneswi C., Romero-Soler, Katya J., Zhigila, Daniel A., Gehrke, Berit, Andrino, Caroline Oliveira, Crayn, Darren M., Vorontsova, Maria S., Forest, Félix, Baker, William J., Wilson, Karen L., Simpson, David A., and Muasya, A. Muthama (2024) Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats. New Phytologist, 242 (2). pp. 727-743.

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Poales are one of the most species-rich, ecologically and economically important orders of plants and often characterise open habitats, enabled by unique suites of traits. We test six hypotheses regarding the evolution and assembly of Poales in open and closed habitats throughout the world, and examine whether diversification patterns demonstrate parallel evolution. We sampled 42% of Poales species and obtained taxonomic and biogeographic data from the World Checklist of Vascular Plants database, which was combined with open/closed habitat data scored by taxonomic experts. A dated supertree of Poales was constructed. We integrated spatial phylogenetics with regionalisation analyses, historical biogeography and ancestral state estimations. Diversification in Poales and assembly of open and closed habitats result from dynamic evolutionary processes that vary across lineages, time and space, most prominently in tropical and southern latitudes. Our results reveal parallel and recurrent patterns of habitat and trait transitions in the species-rich families Poaceae and Cyperaceae. Smaller families display unique and often divergent evolutionary trajectories. The Poales have achieved global dominance via parallel evolution in open habitats, with notable, spatially and phylogenetically restricted divergences into strictly closed habitats.

Item ID: 81470
Item Type: Article (Research - C1)
ISSN: 1469-8137
Keywords: biogeography, evolution, evolutionary transitions, grass-like plants, grasslands, savannas, spatial phylogenetics
Copyright Information: © 2023 The Authors. © 2023 New Phytologist Foundation. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Date Deposited: 05 Mar 2024 01:01
FoR Codes: 31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310410 Phylogeny and comparative analysis @ 60%
31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310411 Plant and fungus systematics and taxonomy @ 20%
31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310412 Speciation and extinction @ 20%
SEO Codes: 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280102 Expanding knowledge in the biological sciences @ 100%
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