cupule
noun
cu·pule
ˈkyü-(ˌ)pyül 
: a cup-shaped anatomical structure: such as
a
: an involucre characteristic of the oak in which the bracts are indurated and coherent
b
: an outer integument partially enclosing the seed of some seed ferns
Examples of cupule in a Sentence
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Until now, researchers had focused on a fossil cupule plant called Caytonia, discovered in Yorkshire, U.K., as the closest relative to angiosperms.
—
Elizabeth Pennisi, Science | AAAS, 26 May 2021
The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds.
—Elizabeth Pennisi, Science | AAAS, 26 May 2021
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Elizabeth Pennisi, Science | AAAS, 26 May 2021
The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds.
—Elizabeth Pennisi, Science | AAAS, 26 May 2021
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Cite this Entry
“Cupule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cupule. Accessed 22 Nov. 2024.
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