acropetal

adjective

acrop·​e·​tal ə-ˈkrä-pə-tᵊl 

a-

: proceeding from the base toward the apex or from below upward

acropetal development of floral buds

acropetally

ə-ˈkrä-pə-tᵊl-ē 

a-

adverb

Word History

Etymology

borrowed from German, from acro- acro- + -petal (in centripetal, zentripetal centripetal)

First Known Use

1875, in the meaning defined above