Tufted, acaulescent perennial, up to 100 mm tall. Leaves pinnatifid, lobes subtriangular, spine-tipped, white-felted below, sparsely echinate and sometimes also cobwebby above. Flowerheads radiate, white; involucre campanulate to broadly campanulate, 6-12 mm wide, connate, flat at base, glabrous to mealy or sometimes cobwebby.