Dictionary » C » Calyptra



in mosses, a cap-like structure covering or partly covering the capsule and derived from the neck of the archegonium, in a flower, a cap covering the stamens and carpels in the bud and formed by fusion or cohesion of perianth parts.

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Question from a freshman-definitions

... - the short stalk originating in gametophyte. Operculum - in plants it is the cover of a sporangium. In higher bryophytes it's hidden under calyptra. Apophysis is a swelling present just beneath the sporangium. P.S. I am from Poland and, however we have courses in Polish but I want to know ...

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by SU_reptile
Tue Oct 17, 2006 4:38 pm
Forum: Botany Discussion
Topic: Question from a freshman-definitions
Replies: 12
Views: 8386

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