pentamerous
Americanadjective
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consisting of or divided into five parts.
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Botany. (of flowers) having five members in each whorl.
adjective
Other Word Forms
Etymology
Origin of pentamerous
From the New Latin word pentamerus, dating back to 1820–30. See penta-, -merous
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.
Hydradephaga; -ous: applied to aquatic, predatory pentamerous beetles with filiform antennae: see adephagous.
From Explanation of Terms Used in Entomology by Smith, John. B.
Thus the formula S5P5St5C5 means that the flower is perfect, and has pentamerous symmetry, the whorls being isomerous.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various
To take an example, the group Pseudostrobus, characterized by pentamerous leaf-fascicles, appears in many systems.
From The Genus Pinus by Shaw, George Russell
A flower in which the parts are arranged in twos is called dimerous; when the parts of the whorls are three, four or five, the flower is trimerous, tetramerous or pentamerous, respectively.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various
Thus, in both Lilium lancifolium and L. auratum the writer has frequently met with pentamerous flowers.
From Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants by Masters, Maxwell T.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.