[S4E5] Sunflower Politics

Our view of nature is often constrained by the idea of competition: life as a zero-sum game, where the victorious survive, and the defeated fade into extinction. But not every relationship in life is competitive! Sure, as living things, we must always be aware of our enemies, but our survival is just as closely tied to our social entanglements- our family, friends, neighbors, and communities.

In a rebuttal to the hyper-competitive view of ecology, Rachel shares evidence from a growing field of botany that dares to look at how plants behave by applying social theory to their choices. There are many conversations happening among the plants of our grasslands that we haven't been hearing, and it's time to unpack the complexity of these interspecies relationships if we want to really understand how this ecosystem works.

Primary Sources:

• Cahill Lab - University of Alberta: https://cahilllab.ca/


• Megan K. Ljubotina and James F. Cahill Jr., “Effects of Neighbour Location and Nutrient Distributions on Root Foraging Behavior of the Common Sunflower,” Proceedings of the Royal Society B 286, no. 1911 (2019): 20190955 https://doi.org/10.1098/rspb.2019.0955


• Mónica López Pereira et al., “Light-Mediated Self


• Organization of Sunflower Stands Increases Oil Yield in the Field,” Proceedings of the National Academy of Sciences 114, no. 30 (2017): 7975–80. https://doi.org/10.1073/pnas.1618990114


• James F. Cahill Jr., “The Inevitability of Plant Behavior,” American Journal of Botany 106, no. 7 (2019): 903-5. https://doi.org/10.1002/ajb2.1313


• Robin W. Kimmerer, “Asters and Goldenrod,” in Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants (Minneapolis: Milkweed, 2013)

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