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root

Term Information

Accession
PO:0009005
Name
root
Ontology
plant_anatomy
Synonyms
raíz (Spanish, exact), radices (exact, plural), radix (exact), 根 (Japanese, exact), aerial root (narrow), climbing root (narrow)
Alternate IDs
PO:0003006
Definition
A plant axis (PO:0025004) that lacks shoot axis nodes (PO:0005004) and usually grows indeterminately. Source: POC:Laurel_Cooper, ISBN:9780964022157, POC:curators, NYBG:Dario_Cavaliere, ISBN:978-0879015329, NYBG:Brandon_Sinn
Comment
Roots function in the absorption of water and inorganic nutrients, anchoring the plant body to the substrate and supporting it, storage of food and nutrients, and vegetative reproduction. The roots of most vascular plant species enter into symbiosis with soil-borne microorganisms. Roots are usually positively geotropic and found underground, although there are many exceptions such as the aerial roots of orchids. Roots often form secondary thickening from the root lateral meristem (PO:0006308). Commonly thought of as one of the three basic parts of the plant body, along with the shoot axis (PO:0025029) and leaves (PO:0025034).
Subset
Maize
Gymnosperms
Tomato
reference
TraitNet
Rice
Musa
Angiosperm
Potato
Feedback
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Parents of root (PO:0009005)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
root [is_a relation] is_a  plant axis (PO:0025004)
root [BFO:0000050 relation] BFO:0000050  root system (PO:0025025)
root [RO:0002202 relation] RO:0002202  root primordium (PO:0005029)
root [is_a relation] is_a  independent continuant (BFO:0000004)
Children of root (PO:0009005)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
tuberous root tuber (PO:0025476) [is_a relation] is_a  root
proteoid root (PO:0000067) [is_a relation] is_a  root
root vascular cambium (PO:0025438) [BFO:0000050 relation] BFO:0000050  root
root secondary thickening meristem (PO:0025443) [BFO:0000050 relation] BFO:0000050  root
root differentiation zone (PO:0020135) [BFO:0000050 relation] BFO:0000050  root
root cork cambium (PO:0025436) [BFO:0000050 relation] BFO:0000050  root
lateral root primordium (PO:0000016) [BFO:0000050 relation] BFO:0000050  root
root aerenchyma (PO:0006213) [BFO:0000050 relation] BFO:0000050  root
root lateral meristem (PO:0006308) [BFO:0000050 relation] BFO:0000050  root
tuberous root (PO:0025523) [is_a relation] is_a  root
root-derived cultured plant cell (PO:0000008) [derives_by_manipulation_from relation] derives_by_manipulation_from  root
root tip (PO:0000025) [BFO:0000050 relation] BFO:0000050  root
transition zone (PO:0003000) [BFO:0000050 relation] BFO:0000050  root
root parenchyma (PO:0025095) [BFO:0000050 relation] BFO:0000050  root
primary root (PO:0020127) [is_a relation] is_a  root
root epidermis (PO:0006036) [BFO:0000050 relation] BFO:0000050  root
shoot-borne root (PO:0000042) [is_a relation] is_a  root
embryo root (PO:0000045) [is_a relation] is_a  root
root cambial zone (PO:0025441) [BFO:0000050 relation] BFO:0000050  root
lateral root (PO:0020121) [is_a relation] is_a  root
root apical meristem (PO:0020147) [BFO:0000050 relation] BFO:0000050  root
root nodule (PO:0003023) [BFO:0000050 relation] BFO:0000050  root
root stele (PO:0020124) [BFO:0000050 relation] BFO:0000050  root
root cortex (PO:0000258) [BFO:0000050 relation] BFO:0000050  root
root periderm (PO:0005047) [BFO:0000050 relation] BFO:0000050  root
PO_GIT
578