Annual Yellow (Indian) Sweetclover (MELILOTUS INDICUS). This erect annual has spikelike inflorescences and small drooping flowers. The round seedpod is about 1/12 inch long and holds 1 or 2 seeds. Seeds are eggshaped, 1/16 inch long, dark greenish brown, and have a rough surface. The compound leaves are ½ to 1¼ inches long and have three leaflets. They have small teeth above the middle and a dull red bar beside the midrib. Their tips are indented or blunt. A. Seedling. B. Pealike flower. C. Seed.