AUTHOR=Borghi Monica , Junker Robert R. , Lucas-Barbosa Dani , Zych Marcin TITLE=Editorial: Flower Metabolism and Pollinators JOURNAL=Frontiers in Plant Science VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.776978 DOI=10.3389/fpls.2021.776978 ISSN=1664-462X