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Pronunciation varies by accent · noun
(biology) An asexual reproductive structure, as found in animals such as hydra (genus Hydra) and plants such as liverworts (division Marchantiophyta), consisting of a cluster of cells from which new individuals can develop; a bud..
I know of no other genera with such intramarginal formation of true gemmae.
Gemmae are frequently longer than wide or of irregular shape. According to Degenkolbe, gemmae-bearing leaves are always different in form from normal leaves.
In Marchantia polymorpha, high temperature promotes germination of gemmae (Dacknowski, 1907), and heat absorbed by the gemmae accelerates their germination (Fitting, 1942).
Use gemma when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Gemma means (biology) An asexual reproductive structure, as found in animals such as hydra (genus Hydra) and plants such as liverworts (division Marchantiophyta), consisting of a cluster of cells from which new individuals can develop; a bud..
Common synonyms include gemmule.
The opposite depends on the specific sense.
I know of no other genera with such intramarginal formation of true gemmae.
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