Term Information

Accession
PO:0025127
Name
primordium
Ontology
plant_anatomy
Synonyms
portion of primordial tissue (exact), portion of primordium tissue (exact), primordia (exact, plural), primordio (Spanish, exact), 原基(可視的) (Japanese, exact)
Alternate IDs
None
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.
Subset
None
Feedback
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Parents of primordium (PO:0025127)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
primordium [is_a relation] is_a  portion of meristem tissue (PO:0009013)
Children of primordium (PO:0025127)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
root primordium (PO:0005029) [is_a relation] is_a  primordium
leaflet primordium (PO:0025481) [is_a relation] is_a  primordium
floral organ primordium (PO:0025477) [is_a relation] is_a  primordium
phyllome primordium (PO:0025128) [is_a relation] is_a  primordium
PO_GIT
186