Canopy The above-ground portion of plants; Plumeria’s canopy provides shade and is composed of leaves and flowers. Synonyms: Leaf CanopyRelated Articles: Phase III Growth & Structure Course GuideGlossary: Trunk SunburnProtecting Plumeria from trunk sunburn is important in very sunny environments.Glossary: Phase III – Growth & StructureThe phase for stronger vegetative growth and branch structure.