noun🔗ShareヒマワリAny plant, of the genus Helianthus, having large flower heads with dark disk florets and showy yellow rays; the sunflowers"The field was ablaze with yellow, a sea of helianthus reaching for the sun. "その畑は黄色く燃え上がり、太陽に向かって伸びるヒマワリの海だった。plantvegetablenaturebiologyseedagriculturefoodChat with AIVocabulary GamePractice Reading