primordium
Term Information
- Accession
- PO:0025127
- Aspect
- plant anatomy
- Synonyms
- exact: portion of primordial tissue
- exact: portion of primordium tissue
- exact: primordia
- exact: primordio (Spanish)
- exact: 原基(可視的) (Japanese)
- Definition
- A portion of meristem tissue (PO:0009013) that has as parts protoderm (PO:0006210) and sub-epidermal meristematic tissue and is committed to the development of a particular plant structure (PO:0009011). [source: POC:curators]
- Comment
- A primordium appears as a protrusion and is the first distinct form of a plant organ (PO:0009008), cardinal organ part (PO:0025001), or collective plant organ structure (PO:0025007). The transition from a primordium to the plant structure it develops into is marked by the development of non-meristematic cells, although meristematic cells may be present after the transition.
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