Apical Meristem The tissue at the tips of Plumeria roots and shoots where active cell division allows for growth. Synonyms: Growing PointRelated Articles: Glossary: Apical BudThe apical bud drives the upward growth of the Plumeria.Glossary: Terminal Budapical budAlternative Meanings: Apical meristemA region of actively dividing cells at a plumeria shoot tip or root tip that produces new growth and helps determine stem, leaf, branch, and root development.