"Stouter than no. 31 [Aster sagittifolius Willd.]; stems usually densely hairy at least above the middle with minute, stiffly spreading hairs; lvs relatively firm, shallowly toothed, scabrous above, densely pubescent with short spreading hairs beneath, the lowest ones ovate or lance-ovate, acuminate, cordate, 6–14 × 2.5–6.5 cm, long-petiolate, those above progressively less cordate (or the upper merely broadly rounded at base) and with shorter, usually broadly winged petiole; infl paniculiform, with spreading or ascending, bracteate branches, the heads often numerous, on bracteate peduncles usually well under 1 cm; glabrous or puberulent, 4.5–7 mm, its bracts firm, imbricate, sharply acute or acuminate but with broader and proportionately longer chartaceous base than in no. 31, the green tip tending to be elongate-rhombic; rays 10–20, bright blue, 5–10 mm; achenes sparsely short-hairy or glabrous; 2n=16, 32, ?36. Typically in clearings and open woods; s. O. to Minn., s. to w. Ky., Miss., La., Kans., and Tex."