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Question

When filaments of all the stamens in a flower are fused together to form a single bundle, the condition is called as

A
monandrous
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B
monadelphous
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C
diadelphous
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D
polyadelphous
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Solution

The correct option is B monadelphous
In Hibiscus rosa-sinensis (China rose), filaments of all the stamens are fused together to form a single bundle called the staminal column. This condition is called monadelphous condition.

When the filaments are fused together to form two bundles it is called diadelphous condition as seen in the legume family.

Monandrous condition is when the flower has only one stamen as commonly seen in orchids.

When the filaments are fused together to form three or more bundles, it is called polyadelphous as seen in lemon.

Monadelphous condition in Hibiscus

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