Definition of gemma in English:

gemma

noun

Biology
  • 1A small cellular body or bud that can separate to form a new organism.

    • ‘In addition to leaves, moss stems may bear structures for aesexual reproduction - gemmae or bulbils.’
    • ‘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).’
    • ‘Leiocoryphe gemma may be a paedomorphic species derived from some Upper Cambrian trilobite with an effaced cephalon.’
    1. 1.1
      another term for chlamydospore

Origin

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

Pronunciation:

gemma

/ˈjemə/