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. 2021 Jan 14;11:587528. doi: 10.3389/fpls.2020.587528

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Copyright © 2021 Brunet, Flick and Bauer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Non-linear selection by leafcutting bees for (A) the number of racemes per stem and (B) flower hue or color. The blue line represents the predictive spline curve while the gray area encompasses the 95% confidence intervals.