Discover how the plants we eat have evolved over the past century, and what we still don't know about them, at the 2025 John Dwyer Lecture at the Missouri Botanical Garden. Scientist Colin Khoury will outline major trends in food plant diversity over the past century and explore what is not well understood about these changes, offering ideas about what can be done to address knowledge gaps./-img/-newsfeeds/newsfeed-slu.svg10/31/2025Missouri Botanical Garden