Allergen:
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Sunflower, common |
Scientific name:
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Helianthus annuus L. |
Family name latin:
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Asteraceae |
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| Description: |
Reaching a height of up to 2.5 m, this annual plant has a hirsute shoot axis with alternate, heart-shaped leaves; buttons up to 40 cm wide, with an outer circle of yellow ligulate ray flowers; entomogamous (bee pasture); flowering season VII - X; seeds important oil crop;
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| Occurence: |
Species originating from Mexico; frequently cultivated as an ornamental plant in gardens or also as an oil-seed crop; only rarely do individual plangs inconsistently go wild here and there;
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| Related species: |
Helianthus tuberosus L., Jerusalem artichoke; a perennial herb with edible, potato-like tubers, originating from Canada; cultivated in fields or gone wild along river banks (VIII - X);
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| Allergy trigger: |
Pollen, approx. 35 µm;
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| Invasions path: |
Inhalative (July - October); ingestive (sunflower honey, late summer mixed honeys);
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| Allergology: |
Pollen only detecatable in small amounts in the aerial plankton; thus only of minor importance as an inhalative allergen; a cross-allergenicity to other composites is to be assumed.
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| Clinical relevance: |
light
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| Cross reactivities: |
Occurrence frequently- Mugwort
Occurrence possible- Bermuda grass
- Blue grass, (Kentucky)
- Daisy, moon
- Olive
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