Species guide
Common sunflower
HarmlessHelianthus annuus
How to recognise it
A tall, coarse-stemmed plant topped by a large flower head — a ring of yellow ray petals around a broad brown central disc that matures into a head of seeds.
Is it dangerous?
Harmless.
Recorded 100,196 times in the wild worldwide.
Think you've spotted one?
Photograph it and let SpecieSense confirm the species — and show you the reasoning.
Identify a specimen