1. Purdue Center for Plant Biology Department of Botany and Plant Pathology Purdue University West Lafayette IN47907 USA
2. Institute of Systematic Botany and Ecology Ulm University Albert‐Einstein‐Allee 11 Ulm89081 Germany
3. INRAE BIOGECO University of Bordeaux Pessac33615 France
4. Department of Plant & Environmental Sciences Weizmann Institute of Science Rehovot76100 Israel
5. Synchrotron Source Optimisée de Lumière d’Energie Intermédiaire du LURE L’Orme de Merisiers Saint Aubin‐BP48 Gif‐sur‐Yvette Cedex France
6. INRAE PIAF Université Clermont‐Auvergne Clermont‐Ferrand63000 France