A cystocarp is the fruiting structure produced in the
red algae after fertilization, especially such a structure having a special protective envelope (as in
''
Polysiphonia)''. The structure from which
carpospores are released.
[Maggs, C.A. and Hommersand, M.H. 1993. ''Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales.'' The Natural History Museum, London ]
References
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Algal anatomy