Divaricately branched, spinescent shrublet, up to 0.5 m tall, young branches silvery felted. Leaves (bi)pinnatisect, 5-8 mm long, green, thinly hairy or glabrescent. Flowerheads discoid, globose, yellow, 8-10 mm diam., solitary on slender peduncles 10-50 mm long becoming spinescent after fruiting; involucral bracts narrowly ovate, obtuse, narrowly membranous, with dark margins. Pappus 1/2 as long as cypsela.