- plant anatomy
- exact: estela (Spanish)
- exact: 中心柱, central cylinder (Japanese)
- A cardinal organ part (PO:0025001) that is the central column of a plant axis that consists of the primary vascular tissue and associated ground tissue. [source: POC:curators]
- If a pith is present, it is part of the stele, otherwise the stele only includes the primary vascular tissue and the ground tissue that surrounds it.
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