disk flower
noun Botany.
one of a number of small tubular flowers composing the disk of certain composite plants.
Also called
disk floret.
Compare
ray flower.
Origin of disk flower
First recorded in 1865–70
Words nearby disk flower
disjune,
disk,
disk crank,
disk crash,
disk drive,
disk flower,
disk harrow,
disk operating system,
disk pack,
disk sander,
disk syndrome
Scientific definitions for disk flower
disk flower
Any of the tiny tubular flowers in the central portion of the capitulum or flower head of certain plants of the composite family (Asteraceae or Compositae). In many composite flowers, such as the daisy and sunflower, the disk flowers are surrounded by flattened ray flowers.