1 | Outer phyllaries patent or reflexed; commencing to flower in spring and early summer |
1' | Outer phyllaries erect, subadpressed; commencing to flower in autumn |
2 | Achenes bright rusty-red; beak of achene 6-7 mm long; involucre 8-10 mm long |
2' | Achenes brownish; beak of achene 7-15 mm long; involucre 12-25 mm long |
3 | Leaves runcinate-pinnatifid with broad, deltoid, entire or toothed lateral lobes, occasionally subentire or broadly and irregularly lobed; pappus tinged brown |
3' | Leaves pinnatisect almost to midrib, with numerous small, oblong-acuminate or suborbicular lateral lobes, separated by smaller lobules |
4 | Lateral lobes acuminate, oblong; apex of scape pilose or lanuginose; pappus tinged brown |
4' | Lateral lobes blunt or suborbicular; apex of scape glabrous; pappus white |