The common sunflower (Helianthus annuus) is a large annual forb of the genus Helianthus. It is commonly grown as a crop for its edible oily seeds.
Apart from cooking oil production, it is also used as livestock forage (as a meal or a silage plant), as bird food, in some industrial applications, and as an ornamental in domestic gardens. Wild H. annuus is a widely branched annual plant with many flower heads.
The domestic sunflower, however, often possesses only a single large inflorescence (flower head) atop an unbranched stem.
- The plant flowers in summer.
- What is often called the "flower" of the sunflower is actually a "flower head" (pseudanthium), 7.5–12.5 centimetres (3–5 in) wide, of numerous small individual five-petaled flowers ("florets").
- The outer flowers, which resemble petals, are called ray flowers.
- Each "petal" consists of a ligule composed of fused petals of an asymmetrical ray flower. They are sexually sterile and may be yellow, red, orange, or other colors.
- The spirally arranged flowers in the center of the head are called disk flowers. These mature into fruit (sunflower "seeds").
*Wiki
Sunflower (Midnight Rouge) - Helianthus Annuus
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- Sunflower ‘Midnight Rouge’ is prized for its rich burgundy petals and deep brown centers.
- It produces flowers that are about 3-6 inches across on plants that grow 4 to 6 feet tall.
- Sunflowers are easy-to-grow additions to the home garden and are recommended for the back of the border.
- Makes a great cut flower but will drop pollen as this is not a pollenless variety.
- Looks lovely paired with contrasting colors such as rose, yellow or white.