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Cactaceae

 8-Opuntia flower

[FMP-field: image]
The flowers of Cactaceae are often relatively large, as in the flower of Opuntia macrorhiza, which is about 1.5 to 2 inches in diameter. Usually, there is a gradual transition between sepals and petals in the Cactaceae. Note the many stamens with red filaments and the stigmas in the center of the flower.
Photo by K. R. Robertson at Thompson-Fulton Nature Preserve in northwestern Illinois.
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