(in a composite flower head of the daisy family) any of a number of strap-shaped and typically sterile florets that form the ray. In plants such as dandelions the flower head is composed entirely of ray florets.
〔植〕舌状花，（盘）边花。比较DISC FLORET
Compare with disc floret
Example sentencesExamples
Capitula include on average 17 peripheral sterile ray flowers and 43 central hermaphroditic disc flowers.
The senescent daisies still retained a few partly shriveled ray flowers.
Heads on discoid plants have an extra whorl of disc florets instead of ray florets.
Those outer flowers are called ray flowers - for that petal - while the inner flowers are called disk flowers.
The daisylike blooms are composed of short disc flowers surrounded by single or multiple rows of petal-like ray flowers.
Definition of ray floret in US English:
ray floret
noun
Botany
(in a composite flower head of the daisy family) any of a number of strap-shaped and typically sterile florets that form the ray. In plants such as dandelions the flower head is composed entirely of ray florets.
〔植〕舌状花，（盘）边花。比较DISC FLORET
Compare with disk floret
Example sentencesExamples
Those outer flowers are called ray flowers - for that petal - while the inner flowers are called disk flowers.
Heads on discoid plants have an extra whorl of disc florets instead of ray florets.
The daisylike blooms are composed of short disc flowers surrounded by single or multiple rows of petal-like ray flowers.
Capitula include on average 17 peripheral sterile ray flowers and 43 central hermaphroditic disc flowers.
The senescent daisies still retained a few partly shriveled ray flowers.