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ray flower

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noun Botany.
one of the marginal florets surrounding the disk of tubular florets in the flower heads of certain composite plants, as the daisy.
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Also called ray floret.

Origin of ray flower

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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Scientific definitions for ray flower

ray flower

One of the narrow flowers, resembling single petals, that surround the central disk in the capitulum or flower cluster of a plant of the composite family (Asteraceae or Compositae), such as the daisy or sunflower. Rays are often male flowers with sterile stamens. Also called ray ray floret
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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