Branches virgate, slender, glabrous; leaves alternate, linear-lanceolate or subspathulate, mucronate or obtuse, 6-12 lin. long, 11,-2.25 lin. wide, glabrous; involucral leaves 8-12, spathulate, scarcely wider than the cauline; heads sessile or shortly stalked, many-flowered; calyx densely adpressed-silky, 1 in. long; lobes narrowly oblong, 2 lin. long.