cupule
Americannoun
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Botany.
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a cup-shaped whorl of hardened, cohering bracts, as in the acorn.
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a cup-shaped outgrowth of the thallus of certain liverworts.
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the apothecium of a cup fungus.
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Zoology. a small cup-shaped sucker or similar organ or part.
noun
Etymology
Origin of cupule
1820–30; < New Latin cūpula, Late Latin: small tub; see cupola
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds.
From Science Magazine ● May 26, 2021
Now, having a whole group of potential closest relatives with a variety of cupule structures, “gives us different ideas about where the carpel has come from,” Donoghue says.
From Science Magazine ● May 26, 2021
They called the outer coat a cupule and proposed that it was the precursor to the outer coat, or integument, of angiosperm seeds.
From Science Magazine ● May 26, 2021
Until now, researchers had focused on a fossil cupule plant called Caytonia, discovered in Yorkshire, U.K., as the closest relative to angiosperms.
From Science Magazine ● May 26, 2021
The female flowers, to the number of two, three, or four, are clustered in a "cupule" of overlapping scales, like those of the Oak.
From Wayside and Woodland Trees A pocket guide to the British sylva by Edward Step
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