Stem Lenticels Small, spongy openings in the stems of woody plants that allow gas exchange; Plumeria stems may have lenticels for respiration. Synonyms: PoresRelated Articles: Glossary: StomaStoma on Plumeria leaves are essential for the plant's breathing process.Glossary: Leaf StomataThe stomata on Plumeria leaves play a key role in the plant's breathing process.
