%AShi, Gongle%AHerrera, Fabiany%AHerendeen, Patrick%AClark, Elizabeth%ACrane, Peter%BJournal Name: Nature; Journal Volume: 594; Journal Issue: 7862 %D2021%I %JJournal Name: Nature; Journal Volume: 594; Journal Issue: 7862 %K %MOSTI ID: 10316836 %PMedium: X %TMesozoic cupules and the origin of the angiosperm second integument %X %0Journal Article