prothallium
English
Etymology
Latin pro (“forwards”) + Ancient Greek θαλλος (thallos, “twig”).
Noun
prothallium (plural prothallia)
- A plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.
- The young gametophyte of a liverwort or peat moss.
Synonyms
- prothallus