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What are cleistogamous flowers ? Write t...

What are cleistogamous flowers ? Write their significance .

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(a) The flowers which do not open at all are known as cleistogamius flowers In such flowers the anthers and stigma lie close to each other . When anthers dehisce in the contact with the stigma to effect pollination.
(b) Cleistogamous flowers produced assured seed-set even in the absence of pollinators .
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