dayflower
noun
day·flow·er
ˈdā-ˌflau̇(-ə)r 
: any of a genus (Commelina) of herbs of the spiderwort family having one petal smaller than the other two
especially
: a blue-flowered Asian herb (C. communis) with the smaller petal white that has become naturalized as a weed in the U.S.
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In sheltered niches, dayflowers sometimes usher in the first days of winter.
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Dave Taft, New York Times, 20 Sep. 2017
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Dave Taft, New York Times, 20 Sep. 2017
Cite this Entry
“Dayflower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dayflower. Accessed 13 Jul. 2025.
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