Definition of acropetal in English:
acropetal
adjective əˈkrɒpɪt(ə)ləˈkräpid(ə)l
Botany 1(of growth or development) upwards from the base or point of attachment.
The opposite of basipetal
Example sentencesExamples
- Similarly, meristem activities in the same acropetal sequence or on the whole-root-system architecture have not yet been compared.
- These features might be partly associated with the acropetal development of the terminal inflorescence.
- Sepal initiation began on the basal lateral flower and continued in an acropetal direction until all floral meristems had completed sepal initiation.
- The Alismataceae have acropetal leaf development.
- On average, an inflorescence developed 166 • 21 53 • 31 flowers that opened in acropetal order.
- 1.1 (of the movement of dissolved substances) outwards towards the shoot and root apices.
Example sentencesExamples
- 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.
- In every case, the basipetal movement was greater than the acropetal movement.
Derivatives
adverb
Botany The floral meristems are formed acropetally and are initiated on the periphery of the inflorescence meristem, being protected by bracts.
Example sentencesExamples
- Bracts are initiated acropetally on the racemose inflorescence, or below the terminal flower.
- One year after its extension period, each shoot develops axillary branches (including the relay shoot) whose vigour increases acropetally.
- 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.
Origin
Late 19th century: from Greek akron 'tip' + Latin petere 'seek' + -al.