Robuta

https://www.rhs.org.uk/plants/346329/helianthus-annuus-suntastic-jaune-bicolor-(suntastic-series)/details Helianthus annuus 'Suntastic Jaune Bicolor' (Suntastic Series) | sunflower 'Suntastic Jaune... helianthus annuus suntastic jaune bicolor series