What is parachute mechanism in Pinus and censer mechanism in Poppy.

After maturity the seeds and fruits dispered by wind are small and light.They have certain adaptations for dispersal.
Censer mechansim: In plants like poppy the seeds come out from minute pores.The pores are so narrow that only some seeds can disperse at a time.
Parachute mechanism: Certain seeds and fruits are provided with appendages which act like parachute in helping them float in air..

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