Definition of acropetal in English:


Line breaks: acrop|etal
Pronunciation: /əˈkrɒpɪt(ə)l


  • 1(Of growth or development) upwards from the base or point of attachment. The opposite of basipetal.
    More example sentences
    • These features might be partly associated with the acropetal development of the terminal inflorescence.
    • The Alismataceae have acropetal leaf development.
    • Sepal initiation began on the basal lateral flower and continued in an acropetal direction until all floral meristems had completed sepal initiation.
  • 1.1(Of the movement of dissolved substances) outwards towards the shoot and root apices.
    More example sentences
    • In every case, the basipetal movement was greater than the acropetal movement.
    • It is not clear whether this acropetal increase of flower meristem identity is related to the acropetal loss of the SD suppression.
    • Xylem flow carries the transpiration stream and is normally entirely acropetal.



More example sentences
  • On each plant, leaves were identified on day 0 according to their nodal position with respect to the youngest fully expanded leaf, L0, and numbered acropetally, L1, L2, etc.
  • The abaxial surface of the wings bears hairs that are directed acropetally to the awn/wing interface and then become oriented towards the tip of the wing.
  • The floral meristems are formed acropetally and are initiated on the periphery of the inflorescence meristem, being protected by bracts.


late 19th century: from Greek akron 'tip' + Latin petere 'seek' + -al.

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