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involucrum
[ in-vuh-loo-kruhm ]
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Word History and Origins
Origin of involucrum1
1670–80; < New Latin, Latin involūcrum a wrap, cover, equivalent to involū- (variant stem of involvere to wrap, cover; involute ) + -crum instrumental suffix
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Example Sentences
They have also always an involucrum below the298 calyx, but this involucrum differs in the different genera.
From Project Gutenberg
In the genus Malva, the involucrum consists of three leaflets, which in the common Mallow (Malva sylvestris) are oblong.
From Project Gutenberg
As the seeds ripen, the involucrum falls off, but the large loose-looking calyx remains on.
From Project Gutenberg
The involucrum is formed also of one piece, and the three leaves are laid one over the other as in the annexed flower.
From Project Gutenberg
It belongs to that section of its numerous genus having an involucrum of stalked leaflets.
From Project Gutenberg
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