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Hint: Sunflowers are normally tall annual or perennial plants that can reach a height of \[300{\text{ }}cm\]\[\left( {120{\text{ }}in} \right)\] or more in certain varieties. They produce one or two terminal capitula (flower heads) with bright yellow ray florets on the outside and yellow or maroon (also known as brown/red) disc florets on the inside.
Complete solution:
The common sunflower, Helianthus annuus, is a widespread annual herbaceous plant in the Asteraceae or Compositae family. It's a seed that's cultivated for the edible oil and fruits. It's also used as a wild bird meal, livestock fodder, and a decorative plant in gardens. It was domesticated for the first time in America.
As a result, 'Asteraceae' is the right response. Sunflowers travel due to heliotropism, which occurs as the sunflower follows the sun and the opposite side of the stem starts to absorb growth hormones, causing growth and redirecting the sunflower. In wild plants, the rough and hairy stem is branched in the upper section, but in domesticated cultivars, it is normally unbranched.
The petiolate leaves have a dentate appearance and are often sticky. Lower leaves are opposite, ovate, or heart-shaped in shape.
Note:
Red-colored ray florets are found in many ornamental cultivars of H. annuus, all of which are descended from a single original mutation. Sunflowers tilt throughout the day to face the sun as they rise, but once they bloom, they stop. Heliotropism is the term for the monitoring of the light in young sunflower heads. Sunflowers grow to face east by the time they reach maturity.
Complete solution:
The common sunflower, Helianthus annuus, is a widespread annual herbaceous plant in the Asteraceae or Compositae family. It's a seed that's cultivated for the edible oil and fruits. It's also used as a wild bird meal, livestock fodder, and a decorative plant in gardens. It was domesticated for the first time in America.
As a result, 'Asteraceae' is the right response. Sunflowers travel due to heliotropism, which occurs as the sunflower follows the sun and the opposite side of the stem starts to absorb growth hormones, causing growth and redirecting the sunflower. In wild plants, the rough and hairy stem is branched in the upper section, but in domesticated cultivars, it is normally unbranched.
The petiolate leaves have a dentate appearance and are often sticky. Lower leaves are opposite, ovate, or heart-shaped in shape.
Note:
Red-colored ray florets are found in many ornamental cultivars of H. annuus, all of which are descended from a single original mutation. Sunflowers tilt throughout the day to face the sun as they rise, but once they bloom, they stop. Heliotropism is the term for the monitoring of the light in young sunflower heads. Sunflowers grow to face east by the time they reach maturity.
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