perianth

noun

peri·​anth ˈper-ē-ˌan(t)th How to pronounce perianth (audio)
: the floral structure comprised of the calyx and corolla especially when the two whorls are fused see flower illustration

Examples of perianth in a Sentence

Recent Examples on the Web Honeybird has a pale lemon perianth with a white trumpet that is yellow at its base. Adrian Higgins, Washington Post, 20 Sep. 2021 The cup of the daffodil extends from radiating petals called a perianth. Adrian Higgins, Washington Post, 20 Sep. 2021 Dutch Master has a pale yellow perianth, and the trumpet is wide, richer in color and frilled. Adrian Higgins, Washington Post, 20 Sep. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'perianth.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin perianthium, from peri- + Greek anthos flower — more at anthology

First Known Use

circa 1806, in the meaning defined above

Time Traveler
The first known use of perianth was circa 1806

Dictionary Entries Near perianth

Cite this Entry

“Perianth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perianth. Accessed 21 Feb. 2024.

Kids Definition

perianth

noun
peri·​anth ˈper-ē-ˌanth How to pronounce perianth (audio)
: the outer part of a flower made up of the calyx and corolla especially when united into one part
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