Definition of gemma in English:


Syllabification: gem·ma
Pronunciation: /ˈjemə

noun (plural gemmae /ˈjemē/)

  • 1A small cellular body or bud that can separate to form a new organism.
    More example sentences
    • In addition to leaves, moss stems may bear structures for aesexual reproduction - gemmae or bulbils.
    • Leiocoryphe gemma may be a paedomorphic species derived from some Upper Cambrian trilobite with an effaced cephalon.
    • The surface of the outer perine is formed of a nearly homogenous layer giving rise to dimpled elements that are not clearly discrete (e.g., not gemmae or clavae).
  • 1.1 another term for chlamydospore.


late 18th century (denoting a leaf bud, as distinct from a flower bud): from Latin, literally 'bud, jewel'.

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