Common Sunflower (Helianthus annuus)
Image ID: yrt71
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Family: Asteraceae (Sunflower)
Height: 3 to 10 ft.
Blooms: July to November
Leaf Type: smooth
Bloom Size: 4 in. (typical)
Flower Description: Individual flowers, Regular blooms, 10 or more parts
Location: Youghiogheny River Trail
Common Sunflower may be easily confused with:
Oxeye has opposite leaves, while common sunflower has alternate leaves.
- Pale-Leaved Sunflower
Common sunflower has a larger bloom and alternate leaves. Pale-leaved sunflower has opposite leaves.
- Thin-Leaved Sunflower
Common sunflower has a larger flower with a much bigger eye.
- Woodland Sunflower
Common sunflower has a larger flower with a more prominent eye.
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.