"ray flower." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/ray-flower>.
ray flower. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/ray-flower
Any of the small tubular flowers having a corolla with a long strap-shaped lobe, found in the flower heads of certain composite plants, as the units of a flower head of a dandelion or the marginal units of a flower head of a daisy. Also called ray floret .