The wing of the seed of Pinus develops from: | vedclass

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Question

(A) In $Pinus$,the seed is winged to facilitate wind dispersal.At maturity,a thin layer of the ovuliferous scale separates and fuses with the testa (s

Vedclass · Accepted Answer

Outer layer of the integument and basal part of the ovuliferous scale

Vedclass · Answer

(A) In $Pinus$,the seed is winged to facilitate wind dispersal.At maturity,a thin layer of the ovuliferous scale separates and fuses with the testa (seed coat) of the developing seed.This structure forms the wing of the seed,which is derived from both the outer layer of the integument and the basal part of the ovuliferous scale.

The wing of the seed of $Pinus$ develops from:

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$A$: $Pinus$ is known as a gymnosperm.
$R$: In $Pinus$,the ovules are not enclosed by any ovary wall and remain exposed.

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