Ryan, Michael G.Asao, Shinichi2019-12-180028-646Xhttp://hdl.handle.net/1885/195733This article is a Commentary on Drake et al. (2019a), 222: 1298–1312 and Drake et al. (2019b), 222: 1313–1324.application/pdfen-AU© 2019 The Authors New Phytologist © 2019 New Phytologist Trust201910.1111/nph.158052019-07-28