archegonium (pl. archegonia)
Glossary of "Plant Systematics (1st ed.)" by Simpson (2006)
- The female gametangium of the gametophyte, containing a basal egg cell and surrounded by an outer layer of sterile cells, the archegonial wall, which differentiates into a basal venter and proximal neck.
Glossary of "Plant Biology (1st ed.)" by Graham et al. (2003)
- The vase-shaped gametangium in seedless vascular plants in which an egg is produced within a sterile jacket layer of cells.
- Graham, L. E., Graham, J. M. & Wilcox, L. W. 2003. Plant Biology. -xxxv + 497 pp. Pearson Education, Inc., Upper Saddle River.
- Simpson, M. G. 2006. Plant Systematics. -xi + 590 pp. Elsevier Academic Press, Oxford.