A stout shrubby herb or shrub 2-3 m tall; stoloniferous. Leaves mostly subovate, acute, serrate, 10-40 cm long, long (2-10 cm) petiolate, simple or mostly 3-7-lobed with acute serrate lobes, somewhat glandular, slightly grayish beneath, puberulent on both surfaces; petiole slightly bilobed at base. Peduncles 10-30 cm long; heads large and showy, 5-15 cm wide; involucre of bracts in 4 series; ray-florets about 12-15, with yellow ligules to 6 cm long. Achenes cuneate, 4-angled, appressed-puberulent, 5 mm long, 2-awned. |