The Common Tansy is a member of the aster family of plants, Asteraceae, which includes daisies, sunflowers and asters. It is a native of warmer areas of Europe and Asia. but has been introduced to various parts of the world including North America. Its leaves are rather fern-like looking as they have saw-toothed edges. The yellow flowers bloom in July and August. As the species name, vulgare, suggests, the plant has some unpleasant characteristics: its oils, leaves and flowers are toxic, especially in large volumes. |