Calyptra develops from |
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a) |
Venter wall of archegonium |
b) |
Outgrowth of gametophyte |
c) |
Neck wall of archegonium |
d) |
Paraphysis of the archegonial branch |
Calyptra develops from |
|||
a) |
Venter wall of archegonium |
b) |
Outgrowth of gametophyte |
c) |
Neck wall of archegonium |
d) |
Paraphysis of the archegonial branch |
(a) Calyptra is a covering developed from the ventre of archegonium in bryophytes and pteridophytes. It acts as a transpiration shield around the immature capsule and provides protection to the young capsule. |