Actinomeris
(from aktin, a ray, and meris, a part; referring to the radiated aspect of the plants). SYN. Pterophyton. ORD. Compositae. A small genus of herbaceous perennials allied to Helianthus, but with compressed and winged achenes. Flower-heads corymbose, Coreopsis-like. Leaves ovate or lanceolate, serrate. They are hardy, ornamental plants, and of easy cultivation, in a loamy soil. Increased in spring, by seeds and division of the roots, on a warm border, with or without hand lights, or in cold frames. With the exception of A. helianthoides, they are but little known in this country. A. alata (wing-stalked). fl.-heads yellow. July. h. 3ft. America. 1803. A. helianthoides (Sunflower-like).* fl.-heads yellow, 2in. across, July to September. h. 3ft. S. America, 1825.
A. procera (tall).* fl.-heads yellow. September. h. 8ft. N. America, 1766. A. squarrosa (rough-headed).* fl.-heads yellow, in loose terminal panicles. July and August. l. decurrent, broadly lanceolate, coarsely toothed. Stem square, winged. h. 3ft. North America, 1640. SYN. Verbesina Coreopsis.