floret : Idioms & Phrases
ray floret
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noun small flower with a flat strap-shaped corolla usually occupying the peripheral rings of a composite flower
ray flower.
WordNet
Ray flower , ∨ Ray floret
(Bot.) , one of the marginal flowers of the capitulum in such composite plants as the aster, goldenrod, daisy, and sunflower. They have an elongated, strap-shaped corolla, while the corollas of the disk flowers are tubular and five-lobed.