Which of these is a condition that makes flowers invariably autogamous?

Dioecy

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Self-incompatibility

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Cleistogamy

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Xenogamy

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Solution

The correct option is C Cleistogamy
Cleistogmous flowers do not open or bloom at all. Thus, they cannot receive foreign pollens and invariably show autogamy, i.e., self pollination. E.g.,Commellina, Viola and Oxalis.

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Similar questions

Cleistogamous flowers are invariably autogenous as there is no chance of cross pollen landing on the stigma. Justify the statement

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