(B) $Pappus$ is a persistent,hairy calyx that functions as a parachute for the dispersal of fruits and seeds. In the family $Compositae$ (also known a

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(B) $Pappus$ is a persistent,hairy calyx that functions as a parachute for the dispersal of fruits and seeds. In the family $Compositae$ (also known as $Asteraceae$),the calyx is modified into hair-like structures called $Pappus$,which helps in wind dispersal.