Peltately is a term used to describe leaves that are shaped like a shield or a hand with outspread fingers, with the leaf stalk attached to the center or base of the leaf rather than the edge. The word is spelled as pel-tate-ly, with the emphasis on the first syllable. The IPA phonetic transcription for peltately is /ˈpɛltətli/, with the "p" being pronounced as the letter "p", the "e" as in "bed", the "l" as in "love", the "t" as in "top", and the "y" as in "my".
Peltately, also known as peltate, is an adjective used to describe a specific leaf shape or arrangement in plants. When a leaf is peltately attached, it means that the leaf stalk or petiole is centrally attached to the leaf blade rather than at its edge or margin.
The term "peltate" is derived from the Latin word "pelta," which refers to a small shield. This is because the attachment of the leaf blade to the stalk resembles a small shield. In peltately attached leaves, the leaf blade typically extends outward from the center, resembling the shape of a round shield.
This type of leaf arrangement can be observed in various plant species, including some water lilies, nasturtiums, and certain members of the Araceae family. Peltately attached leaves are known for having a broader surface area, as the leaf blade is not obstructed by the attachment at the margin. This allows the leaf maximum exposure to sunlight while optimizing the plant's ability to carry out photosynthesis.
Peltately attached leaves often have a distinct appearance and are typically characterized by radiating veins that extend from the center of the leaf to its edges. This leaf arrangement is considered to be an adaptation that helps plants maximize their energy absorption and utilization.
In bot., hairs that are attached by their middle.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.