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Evolution of herbs: key to the conundrum might be tolerance not avoidance |
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| Authors: | Adam Klimeš Martin Weiser Tomáš Koubek Tomáš Herben |
| Affiliation: | 1. Department of Botany, Faculty of Science, Charles University, Benátská 2, 128 01 Prague, Czech Republic, ;2.Department of FunctionalEcology, Institute of Botany, Czech Academy of Sciences, Dukelská 135, 379 01 Třeboň, Czech Republic, ;3. Department of PopulationEcology, Institute of Botany, Czech Academy of Sciences, Zámek 1, 252 43 Průhonice, Czech Republic;Corresponding author. E-mail: adamklimes3@gmail.com |
| Abstract: | AimsWoody plants represent the ancestral growth form in angiosperms with herbs evolving repeatedly from them. While there are a number of hypotheses about drivers of the evolution of the herbaceous habit, the ability to avoid frost damage in winter by discarding their aboveground biomass has often been invoked as the main force in their evolution. We propose instead that any unpredictable disturbance might have been much more important than the seasonal frost, as herbs easily survive repeated disturbance. |
| Keywords: | common garden experiment herbivory predictability spring freezing winter freezing |
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