The term 'Sunflower Cousin' refers to three flowering plants that are related to the sunflower: ASTER (5 letters), Zinnia (6 letters), and Ragweed (7 letters). Asters are daisy-like flowers with a yellow center and white or purple petals. Zinnias are bright, colorful flowers that come in a variety of shapes and sizes. Ragweed is an annual plant that produces small, greenish-yellow flowers. All three of these plants are related to the sunflower and are often referred to as its cousins.