pentamerous

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pen·tam·er·ous

 (pĕn-tăm′ər-əs)
adj.
1. or pen·tam·er·al (-əl) Having five similar parts.
2. Having flower parts, such as petals, sepals, and stamens, in sets of five.

pen·tam′er·ism, pen·tam′er·y n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pentamerous

(pɛnˈtæmərəs)
adj
(Botany) consisting of five parts, esp (of flowers) having the petals, sepals, and other parts arranged in groups of five
penˈtamerˌism, penˈtamery n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pen•tam•er•ous

(pɛnˈtæm ər əs)

adj.
1. consisting of or divided into five parts.
2. (of flowers) having five members in each whorl.
[1820–30; < New Latin pentamerus. See penta-, -merous]
pen•tam′er•ism, pen•tam′er•y, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pentamerous - divided into five parts; specifically, having each floral whorl consist of five (or a multiple of five) members; "pentamerous flowers"
phytology, botany - the branch of biology that studies plants
divided - separated into parts or pieces; "opinions are divided"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
For echinoderms, which arose from a bilateral ancestor, the evolution of pentamery and the fivefold NS is not well understood.
Gunnerales are sister to other core eudicots: implications for the evolution of pentamery. American J.
In other groups a change from pentamery to tetramery by complete reduction of the median adaxial floral sector led to approximate polysymmetry (e.g.