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(D) In the family $Asteraceae$ (formerly known as $Compositae$),the calyx is modified into a persistent,hairy,or feathery structure known as the $Papp

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Pappus

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(D) In the family $Asteraceae$ (formerly known as $Compositae$),the calyx is modified into a persistent,hairy,or feathery structure known as the $Pappus$.This $Pappus$ acts like a parachute,allowing the fruits (cypsela) and seeds to be easily dispersed by wind over long distances.Therefore,the correct structure responsible for this mechanism is the $Pappus$.

The presence of which structure makes the parachute mechanism for the dispersal of fruits and seeds common in plants of the family $Asteraceae$ (Compositae)?

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