The term 'buttercup' refers to a group of flowering plants in the genus Ranunculus. The crossword solutions for this term are HON (3 letters), ANEMONE (7 letters), CROWFOOT (8 letters), LARKSPUR (8 letters), PEONY (5 letters), and ANEMONES (8 letters). HON is a yellow flower that is native to Europe, North Africa, and parts of Asia. ANEMONE is a genus of flowering plants in the buttercup family. CROWFOOT is a common name for several species of flowering plants in the buttercup family. LARKSPUR is a genus of flowering plants in the buttercup family. Peony is a flowering plant in the buttercup family. Anemones are a genus of flowering plants in the buttercup family.