acropetal
/əkrəʊˈpiːtəl/Definitions
1. adjective
Describing a type of growth in which the youngest parts of an organ or plant are produced at the apex and mature by gradually moving downwards.
“The acropetal leaves on the vine required regular pruning to promote healthy growth.”
2. noun
A part of an organ or plant that grows in an acropetal manner.
“The acropetal regions of the stem exhibited the highest rate of cell division.”