prothallium

English

Etymology

Latin pro (“forwards”) + Ancient Greek θᾰλλός (thallós, “young branch, twig”).

Noun

prothallium (plural prothallia)

1. A plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.
2. The young gametophyte of a liverwort or peat moss.

Synonyms

• prothallus