archegonium


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Fig. 43 Archegonium . Mature archegonium of Marchantia (Hepaticae).

archegonium

(pl. archegonia) the female sex organ of BRYOPHYTA, PTERIDOPHYTES and most GYMNOSPERMS.
References in periodicals archive ?
Following pollination, the pollen grain germinates and produces a pollen tube, which delivers the sperm directly to the archegonium.
It is a structure of its own originating in the archegonium venter not as its own plant, in case of Ricciaceae not even asa sporangium because the venter of the archegonium itself serves as the "angium" for the spores.
6 and 7) with the proximal end still attached to the archegonium wall and the distal end attached to the radicle (Figs.