noun
- the stalk that attaches a leaf blade to a stem
Usage: botanical
Examples
- The maple leaf has a long petiole that allows it to flutter in the wind.
- Some leaves attach directly to the stem without a petiole.
- The petiole contains vascular tissue that transports water and nutrients.
- You can identify certain plants by examining the length and shape of their petioles.
- The botanist measured each petiole to compare leaf structures.
- A damaged petiole may cause the leaf to wilt or fall off.