having only one petal, as a corolla.
Origin of monopetalous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for monopetalous
Historical Examples of monopetalous
Trifolium with a monopetalous flower, of a white colour, (T. pratense).Lachesis Lapponica
Carl von Linn
A shrub with monopetalous, stillated, purple flowers, growing in tufts.
They are monopetalous, small, white, stellated in six points.
(of flowers) having only one petal
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