Plants originating from more extreme biomes have improved leaf thermoregulation

Our findings suggest that plants originating from more extreme biomes have innately greater scope for thermoregulation, especially desert plants, which could better counter the risk of reaching excess temperatures at the cost of higher water loss. Leaf thermoregulation is a complex plant-environment interaction, and our work contributes to the development of more accurate predictions of leaf temperature during heat exposure across diverse species and biomes.