endarch protoxylem

Term Information

Accession
PO:0025557
Aspect
plant anatomy
Synonyms
exact: protoxilema endarch (Spanish)
exact: 内原型原生木部 (Japanese)
Definition
A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses centrifugally, with the oldest elements (protoxylem) towards the center of the plant axis (PO:0025004). [source: ISBN:0471245208, POC:Laurel_Cooper]
Comment
Endarch protoxylem is typically found in stems of seed plants, and also in leaves in which the protoxylem is on the adaxial side.

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External References

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