The term 'member of the sunflower family' can be summarized by the crossword solution 'ASTER, ' which is a five-letter word. Asters are flowering plants in the daisy family, Asteraceae, and are related to sunflowers, daisies, and chrysanthemums. They are native to North America, Europe, and Asia, and come in a variety of colors including white, pink, purple, and blue. Asters are popular garden plants and are often used in bouquets and floral arrangements.