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Sunflower (Helianthus)

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Home « Kansas « Kiowa « Helianthus

Sunflower Genus Details

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Helianthus is native to North America. Long cultivated by Native Americans for its edible seeds, it's now valued by gardeners for its colorful flower head and ability to attract birds. Leaves are generally alternate and have coarse, toothed margins. The terminal flower heads range from 3-12 inches in diameter with yellow ray flowers and tubular disc flowers which can be yellow, brown or purple. Sunflower can range from 2-8 feet tall.
Sunflower genus (Helianthus debilis)
Sunflower genus (Helianthus debilis)


Sunflower Allergy Info

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Mild allergenicity is reported on sunflower. However, it is related to the notorious ragweed and cross-reactivity could occur.

Sunflower Pollen Description

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No pollen description is currently available.

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Sunflower (Helianthus) is a genus of the ASTERACEAE family.
This genus includes the following allergenic species:

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Sunflower Genus Location

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The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

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