Chasmogamy
Encyclopedia
Chasmogamy is a botanical term describing a type of flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

. A flower which is chasmogamous opens and exposes the stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...

s and styles (the male and female parts of the flower) to the environment. This potentially allows the flower to be cross-pollinated by another individual. This is the opposite of cleistogamy
Cleistogamy
Cleistogamy or automatic self-pollination describes the trait of certain plants to propagate by using non-opening, self-pollinating flowers...

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