TRIPENNATE Meaning and
Definition
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"Tripennate" is an adjective that refers to a specific botanical characteristic of compound leaves or leaflets. It describes the arrangement of leaflets in a compound leaf where there are three smaller leaflets attached to a central axis or main stalk, known as the petiole. The term "tripennate" is derived from the Latin words "tri," meaning three, and "pennatus," meaning feathered or winged, highlighting the feather-like arrangement of the leaflets.
In a tripennate leaf, the three smaller leaflets are attached to the petiole in a symmetrical manner, with one leaflet positioned opposite to the other two. Each of the three smaller leaflets usually has its own stalk, called the petiolule, which connects it to the main petiole. This arrangement creates a palmate-like structure, similar to the arrangement found in the feathers of a bird's wing.
Tripennate leaves are commonly found in various plants such as ferns, legumes, and some palm species. This leaf arrangement contributes to the plant's overall appearance and can serve numerous functions, including optimizing light capture, enhancing wind resistance, conserving water, and facilitating temperature regulation. The tripennate arrangement of leaflets allows these plants to efficiently harness sunlight, maximize photosynthesis, and promote efficient gas exchange. It also provides flexibility and support to the leaf structure, enabling it to withstand environmental stressors.
Overall, "tripennate" is used in botanical terminology to describe the specific arrangement of three leaflets attached to a central axis or petiole in a compound leaf.
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In bot., a compound leaf three times divided in a pinnate manner.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for TRIPENNATE
Etymology of TRIPENNATE
The word "tripennate" is a scientific term that comes from the Latin roots "tri-" meaning "three", and "pennatus" meaning "feathered" or "having wings". In botany, it is used to describe a leaf or leaflet that is divided into three main segments resembling the shape of a feather.
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