Multiple choice general knowledge What is the genus name of sunflower? Dianthus Helianthus Nelumbo Viola Reveal answer Fill a bubble to check yourself B Correct answer Explanation The scientific genus name for sunflowers is Helianthus, derived from the Greek words 'helios' meaning sun and 'anthos' meaning flower. Dianthus includes carnations, Nelumbo is the lotus genus, and Viola includes pansies and violets.