Table of Contents
How many sepals are there?
three sepals
The flowers commonly possess three sepals, three petals, and three broad pollen-receptive stigma branches, under which the pollen-producing anthers are hidden. These flower parts are located above the ovary (inferior ovary), which consists of three carpels unified into a single pistil.
What does the sepal do in a sunflower?
A sepal (/ˈsɛpəl/ or /ˈsiːpəl/) is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.
What is the largest group of plants on earth called?
angiosperm, also called flowering plant, any of about 300,000 species of flowering plants, the largest and most diverse group within the kingdom Plantae.
Do you consider the number of sepals on a sunflower?
Keep in mind that you must consider all the various heads on a given flower (the flower in this sense being the entire plant). That number of sepals in a sunflower can vary. Needless to say, you must then consider the size of the head (s).
What kind of plant is a common sunflower?
Common sunflower is a member of the Asteraceae, the Sunflower family. In older manuals and guides, this family is called the Compositae because the ‘flowers’ are a composite of many flowers, often of different types. The many species of plants in this family are grouped based on the arrangement and type of flowers.
How big is the head of a sunflower?
Each head generally has 13 to 30 ray flowers that are 2.5 to 5 centimeters (1 to 2 inches) long, and 150 to more than a thousand-disc flowers. Both the ray and disc flowers are yellow (reddish rays in some cultivated forms). The center of the head containing the disk flowers is 1.5 to 2.5 mm (0.6 to 1 inches) wide.
Can a sunflower have both male and female flowers?
The sunflower is a monoecious plant (having both male and female flowers on the plant at the same time). [3] This genus of flower has both perennial and annual species.