Not Dioecious nor Monoecious. It comes under another category Monocliny !
Hibiscus is an example for Bisexual floweres, but not unisexual.
Bisexual
bisexual
Bisexual as mango is.
Bisexual
maize flower is unisexual. The male flowers are produced on the tassel and female flowers in the cob.
A flower without stamen is known as a unisexual flower. And even a flower without pistel/carpel is known as unisexual flower. A flower is known as bisexual if it contains both stamen and pistel/carpel
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bisexual
mogra is a bisexual or unisexual
Bisexual as mango is.
Sunflower is bisexual
unisexual
unisexual
it is a bisexual flower
Bisexual flower
unisexual
Unisexual
Bisexual
bisexual