perianth

American  

[per-ee-anth] / ˈpɛr iˌænθ /

noun

Botany.

1. the envelope of a flower, whether calyx or corolla or both.

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perianth British  

/ ˈpɛrɪˌænθ /

noun

1. the outer part of a flower, consisting of the calyx and corolla

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perianth Scientific  

/ pĕr′ē-ănth′ /

1. The sepals and petals of a flower considered together.

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Other Word Forms

• perianthial adjective

Etymology

Origin of perianth

1700–10; earlier perianthium < New Latin. See peri-, anth-, -ium

Example Sentences

Cheery yellow 3-inch blooms with slightly reflexed petals, technically the perianth, nod at the end of 12-inch stems.

From Seattle Times • Aug. 19, 2023

The cup of the daffodil extends from radiating petals called a perianth.

From Seattle Times • Oct. 6, 2021

Ceylon has a yellow perianth with a rich orange cup that reddens over the blooming period.

From Seattle Times • Oct. 6, 2021

At the center of the perianth is a vase-like structure called the carpel.

From Textbooks • Jan. 1, 2015

Marsh or aquatic plants, with linear leaves, and monœcious flowers without proper perianth, in heads or a naked spike.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa