Hibiscus mutabilis, also known as the cotton rose or rosemallow, a plant long cultivated for its showy flowers. Originally native to southern China, where it is known as 木芙蓉, it is now found on all co
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Changing colors of the flower during a day
Red and White Cotton Roses, a historical painting by Li Di (李迪), which shows the flowers with changing colors. China, Song dynasty, 1197 AD
Floral color change occurs in flowers in a wide range of angiosperm taxa that undergo a color change associated with their age, or after successful pollination.
Hibiscus mutabilis
…In cultivation in the UK, Hibiscus mutabilis has gained the Royal Horticultural Society's Award of Garden Merit. Floral color change occurs in H. mutabilis when flowers are white in the morning, turning pink during noon and red in the evening of the same day. Under laboratory conditions…
Lantana camara inflorescence displaying floral color change. The yellow and white flowers are newly opened while the magenta flowers are older and have been triggered by pollination to produce more anthocyanins.
Ipomoea indica flowers change from bright blue to a faded purple by the end of the day.
A foraging pollinator of a species in the Lupinus genus. At the top of the inflorescence are rewarding flowers at anthesis where the spot on the banner petal is yellow. Towards the bottom of the inflorescence there are older purple flowers that are typically avoided by pollinators presumably because they contain less pollen and nectar.