ray flower

noun

1
: one of the marginal flowers of the head in a composite plant (such as the aster) that also has disk flowers
2
: the entire head in a plant (such as chicory) that lacks disk flowers

Examples of ray flower in a Sentence

Recent Examples on the Web
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Along the edges, each yellow petal corresponded to its own individual ray flower. — Marion Renault, The New Republic, 20 Dec. 2021

Word History

First Known Use

1839, in the meaning defined at sense 1

Time Traveler
The first known use of ray flower was in 1839

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Cite this Entry

“Ray flower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ray%20flower. Accessed 2 Oct. 2026.

Kids Definition

ray flower

noun
: one of the flowers with long flat petals that grow on the outer edge of the head of a plant (as a daisy) of the composite family

compare disk flower

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