The Buttercup Family is a large group of flowering plants that includes the ANEMONE and the LARKSPUR. ANEMONE is a seven-letter word that refers to a genus of flowering plants in the buttercup family, Ranunculaceae. These plants are known for their bright colors and delicate petals. LARKSPUR is an eight-letter word that refers to a genus of flowering plants in the buttercup family, Delphinium. These plants are known for their tall spikes of colorful flowers.