- consisting of or divided into five parts.
- Botany. (of flowers) having five members in each whorl.
Origin of pentamerous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pentamerous
Pentamerous insects are those which have five joints in all their tarsi.
Thus, in both Lilium lancifolium and L. auratum the writer has frequently met with pentamerous flowers.Vegetable Teratology
Maxwell T. Masters
The Clerid, which M. Latreille has placed in the pentamerous section, vary considerably in the number of their tarsal joints.
To take an example, the group Pseudostrobus, characterized by pentamerous leaf-fascicles, appears in many systems.The Genus Pinus
George Russell Shaw
Thus fig. 38 shows a pentamerous symmetrical flower, with dimerous pistil.
- consisting of five parts, esp (of flowers) having the petals, sepals, and other parts arranged in groups of five
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012