A fun flower encyclopedia with exciting illustrations and useful information. Do flowers have families? They may not have brothers, sisters, or parents, but all flowers belong to families, depending on their common characteristics. Why are roses red and violets purple? Why are flowers useful? What will the Venus flytrap eat? Why are cherry blossoms called that? How big is the giant Amazon water lily? What is inside pitcher plants? Aren't all flowers wild? How much sun do sunflowers need?