PETIOLE Meaning and
Definition
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The term "petiole" refers to a slender, stalk-like structure that connects a leaf to a stem in many plants. It serves as the support system that attaches the leaf blade to the stem, allowing for proper positioning and exposure to sunlight. The petiole is usually found at the base of the leaf and is characterized by its elongated shape, comparable to a stem but generally thinner and more flexible.
The petiole acts as a conduit for the transportation of water, minerals, and nutrients between the stem and the leaf, facilitating the exchange of essential resources necessary for photosynthesis and overall plant growth. In addition to its functional role, the petiole also plays a significant role in leaf movement and orientation. Some plants possess petioles that are capable of bending or rotating, enabling them to adjust their position in response to changes in light intensity or environmental conditions, thereby maximizing their exposure to sunlight.
The structure of the petiole can vary significantly between different plant species. It may be smooth or possess various textures, ranging from hairy to spiny. Additionally, the length and width of the petiole can vary greatly, impacting the overall appearance and arrangement of the plant's foliage. In some cases, the petiole may also exhibit unique features such as swollen bases or specialized structures for storing water or performing additional functions.
Overall, the petiole is a crucial component of a plant's leaf anatomy, providing support, transportation, and versatility to enable optimal growth and response to environmental stimuli.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The footstalk of a leaf connecting the blade with the stem.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PETIOLE
Etymology of PETIOLE
The word "petiole" originated from the Latin word "petiolus", which means "a little foot" or "a stalk". It is a combination of the Latin terms "pes" (foot) and the diminutive suffix "-iolus" (little). In botany, the petiole refers to the slender stalk that connects a leaf to the stem of a plant.
Similar spelling words for PETIOLE
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