A genus of tropical flowering plants, commonly called yesterday-today-and-tomorrow flowers, with blooms that change color over three days.
Named after Otto Brunfels (1488-1534), a German botanist and herbalist, plus the -ia suffix used in scientific plant genus names.
Brunfelsia flowers literally change color—opening purple, fading to violet, then white—which is why they're called 'yesterday-today-and-tomorrow,' creating a poetic common name to match the Latin scientist's formal honor.
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