Color, blue or purplish. A slender - stemmed species with single flowers terminating the branches. Marginal flowers of the head without stamens and pistils, the limb of the tubular corolla 5-cleft, appearing like rays, 1 to 1 1/2 inches broad. Involucre, of 4 series of bracts, fringed at the top. Leaves, long, narrow, pointed, the lowest pinnately cut or toothed, the upper entire. Stem and leaves somewhat woolly, especially when young. 1 to 2 1/2 feet high. July to September.
An annual, escaped from gardens where, formerly, it was a favorite flower.
Bachelor's Button. Coin-flower.