原葉体 (げんようたい) Japanese meaning | KotomoraMeanings
1
noun
prothallium
rare termbotany
Rare botanical term for the gametophyte stage of ferns and related plants. The more common synonym is 前葉体 (ぜんようたい).
See also: 前葉体
In the life cycle of ferns, the spore germinates and becomes a prothallium.