Flowering plants evolved ~130 Ma (recent in Earth’s history!). They appeared suddenly in the Cretaceous and diversified quickly — #Colorado Geological Survey

Yesterday was May Day! Flowering plants evolved ~130 Ma (recent in Earth’s history!). They appeared suddenly in the Cretaceous and diversified quickly. Florissant Fossil Beds NM preserves many fossil flowers from the Eocene. pic.twitter.com/Yk6hcbU8v1

— Colorado Geological Survey (@COGeolSurvey) May 2, 2026