petiole
- noun
- /ˈpɛtiˌoʊl/
- Specialized
- The petiole of the leaf connects it firmly to the stem, allowing it to absorb sunlight effectively.
- petiole of a leaf
Examples
-
Just as we expected, most of the petiole chambers on these antless trees were smooth and lacked food bodies.
Academic text (1993) -
Nettle stings are most numerous on the stem and on the leaf petioles and edges; leaf undersides are less defended.
Academic text (1995) -
From the leaf, formation of the ice progressed down the petiole into the stem and throughout the entire bean plant.
Academic text (1997) -
"And it appears to be a specialist in attacking very young petioles.
Academic text (2000) -
Within the petiole, it digs ultranarrow tubes called mines.
Academic text (2000) -
The mines have one or more tiny spurs that exit the petiole's outer skin.
Academic text (2000) -
Aerial leaves are round to broadly ovoid and are either sessile or have short petioles.
Academic text (2014) -
We transferred seven beetle larvae to clean, smooth petioles on trees lacking ants, waited eighteen days, and then checked the chambers again.
Academic text (1993) -
They eventually tunnel into the rhizomes or sometimes the petioles—the structures that attach the leaves to the stems.
Academic text (2001) -
The petioles are covered with stinging hairs, but Effie's firm grip, as she tears them off, again minimizes the stings' effects.
Academic text (1995)
Synonyms
The long thin main stem that supports a plant's flower or leaf
A thin stalk that connects the flat part of a leaf to the plant stem
A flat leaf stalk that looks and works like a leaf
Surface Forms
Etymology
Petiole comes from the Latin petiolus, which means 'little foot' and is related to pes, 'foot'. Think of a small foot or stalk holding the leaf to the stem, which is why a petiole is the thin stalk that supports a leaf.