Definition of acropetal in English:

acropetal

adjective

Botany
  • 1(of growth or development) upward from the base or point of attachment.

    The opposite of basipetal
    • ‘These features might be partly associated with the acropetal development of the terminal inflorescence.’
    • ‘On average, an inflorescence developed 166 • 21 53 • 31 flowers that opened in acropetal order.’
    • ‘Similarly, meristem activities in the same acropetal sequence or on the whole-root-system architecture have not yet been compared.’
    • ‘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. 1.1 (of the movement of dissolved substances) outward toward the shoot and root apexes.
      • ‘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.’

Origin

Late 19th century: from Greek akron ‘tip’ + Latin petere ‘seek’ + -al.

Pronunciation

acropetal

/əˈkräpid(ə)l/