Is a daisy a ray flower?
Is a daisy a ray flower?
Ray-flower definition 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.
What are the parts of daisy?
Within each disc flower is a central pistil topped by a two-lobed stigma, which is the part of the plant’s female reproductive organs that receives the male pollen. The pistil extends down into the flower, ending in the flower’s ovary, which will give rise to a seed.
What is the yellow bit of a daisy called?
disc florets
A single stem arises carrying the flower head – this is not just one flower, but a composite of a number of tiny flowers which make up the yellow disc in the middle (‘disc florets’) and the surrounding white ‘ray florets’ (which look just like petals).
What kind of inflorescence does a daisy have?
A Daisy is made up of two types of flowers – disk florets and petal-like white ray florets. The disk florets are at the center and the ray florets are at the periphery but they are arranged to give the impression of being a single flower. This arrangement on Daisies is a type of inflorescence known as a capitulum.
What is Ray flower?
Definition of ray flower 1 : one of the marginal flowers of the head in a composite plant (such as the aster) that also has disk flowers. 2 : the entire head in a plant (such as chicory) that lacks disk flowers.
What is ray florets of sunflower?
In Helianthus or sunflower, the outer or peripheral, zygomorphic flowers are called ray florets; whereas inner or central, actinomorphic flowers are known as disc florets.
What is the middle part of the daisy called?
Stamen. The stamen are the male parts of the disk flowers that make up the center portion of daisy and daisy-like flowers.
What is the head of a daisy called?
The outer parts of the of the daisy head are known as the ray flowers. Ray flowers are generally attractive but sterile. The large petals of ray flowers are fused together to form what looks like a single petal.
What is the Centre part of a daisy called?
The flat center of the daisy head is made up of many tiny flowers known as disc flowers, which radiate symmetrically from the center of the disc. These disc flowers are the part of the daisy head that produce seeds.
Is daisy flower and inflorescence?
Actually, a daisy is not a flower but an inflorescence. It belongs to the Compositae family, and it is composed of many tiny flowers, yellow, arranged in a flower head or floral disc.
What are the characteristics of a daisy?
Distinguishing characteristics of the flowers called daisy include a central, buttonlike disk of microscopic flowers encompassed by a ring of raylike petals. The similarities end here. The central disk can be flat, concave, or convex in form.
What are rayed flowers?
