Preview Sunflower, helianthus annuus. Close up of the centre of the sunflower in spring Image ID: 1190-238 Artist: Patrick Frischknecht Purchase a commercial license Buy framed prints & more from our print store horizontals flowers flower horizontal yellow sunflowers botanical sunflower annuus asteridae summer tracheobionta asterales flora annuussonnenblumeclose up magnoliophyta magnoliopsida helianthus asteraceae plant plants nature spermatophyta botany wildlife 1030 12007