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Helianthus annuus

Common name(s): Common sunflower


Helianthus annuus
Helianthus annuus


Wildflower Information for Helianthus annuus
Common name(s) Common sunflower
Family Asteraceae (Aster family)
Flowers color: yellow   petals: many
Leaves alternate
Lifecycle annual
Peak bloom period August
Origin introduced from central United States

Helianthus annuus
Helianthus annuus

Helianthus annuus
Helianthus annuus

Helianthus annuus - involucral bracts
Helianthus annuus - involucral bracts

Helianthus annuus - leaves
Helianthus annuus - leaves

Helianthus annuus - leaves
Helianthus annuus - leaves

Helianthus annuus - leaves
Helianthus annuus - leaves

Helianthus annuus - stem
Helianthus annuus - stem