Perennial, pubescent, up to 1 m tall. Basal leaves sometimes simple, undivid¬ed, ovate to cordate; margin serrate; cauline leaves pinnate; leaflets 3-5, lanceo¬late to oval or ovate, margin serrate to laciniate. Involucral bracts lacking. Rays 5-20, 1-2.5 cm long, pubescent. Involucel of 4-6 linear bractlets or lacking. Petals white, outer larger. Fruit ovate to ovoid, 2 mm long, glabrous to puberu¬lous or pubescent; ridges not prominent; furrows 2-3-vittate; commissure 4-vittate. Inner seed face plane.