Macroecological patterns in flower colour are shaped by both biotic and abiotic factors

What is it about?

The biotic community and the abiotic conditions are both important in explaining variation of flower colour traits on a broad scale. Flower colours are more chromatic (or saturated) where there are fewer pollinating insects, solar radiation is high, precipitation and net primary production is low, and growing seasons are short. These results provide strong support for the hypothesis that higher flower colour saturation can related to stressful conditions.

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