The term 'Orange Flower' can refer to four different flowers: MARIGOLD (8 letters), NASTURTIUM (10 letters), POPPY (5 letters), and Daylily (7 letters). Marigolds are annuals with bright yellow or orange petals, and are often used in gardens. Nasturtiums are trailing plants with bright orange or yellow flowers, and are edible. Poppies are a type of flowering plant with large, showy flowers in shades of red, pink, orange, and white. Daylilies are perennial plants with trumpet-shaped flowers in shades of yellow, orange, and red.