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What does Helianthus annuus look like?
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Why is Helianthus annuus a yellow sunflower?
What Does Helianthus Annuus Mean? Helianthus annuus is the scientific name given to the plant we know as an annual sunflower. They are Greek words and translated they mean annual sunflower.
The common sunflower (Helianthus annuus) is a species of large annual forb of the daisy family Asteraceae. The common sunflower is harvested for its edible oily seeds which are used in the production of cooking oil, as well as other uses such as food for livestock, bird food , and planting in domestic gardens for aesthetics.
The sunflower (Helianthus annuus) is an annual plant with a sizeable daisy-like flower face. Its scientific name comes from the Greek words helios (“sun”) and anthos (“flower”). The flowers come in many colors (yellow, red, orange, maroon, brown), but they are commonly bright yellow with brown centers that ripen into heavy heads filled ...
the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery. Ray flower color. yellow. Tuft or plume on fruit.
Aug 23, 2024 · The common sunflower (H. annuus) is an annual herb with a rough hairy stem 1–4.5 metres (3–15 feet) high and broad, coarsely toothed, rough leaves 7.5–30 cm (3–12 inches) long arranged in spirals. The attractive heads of flowers are 7.5–15 cm wide in wild specimens and often 30 cm or more in cultivated types. The disk flowers are ...
- The Editors of Encyclopaedia Britannica
Helianthus annuus (Common Sunflower) is a tall, fast-growing annual with broad, oval to heart-shaped, roughly hairy leaves. It produces huge, brilliant flowers in summer, up to 12 in. across (30 cm), with yellow petals surrounding a dark chocolate central disk.
May 27, 2023 · Looking for a wildflower that’s both beautiful and useful? Look no further than the common sunflower, or Helianthus annuus. This annual sunflower is known for its large flower head and distinctive yellow petals surrounding a dark center. But there’s more to this plant than just its looks.
