Flora of North America species comparison

1–25+, erect to spreading.

mostly 1–5;

branches mainly proximal.

basal, or basal (sometimes withering) and ± cauline, (1–)2–12(–15) cm;

largest blades ± elliptic or slightly lanceolate to ovate, ± 3-dimensional, usually 2-pinnately lobed;

primary lobes (4–)5–9(–12) pairs, ± congested, scarcely imbricate, ultimate lobes ± involute and/or twisted.

basal (withering) and cauline (not notably smaller or sparser distally), 1–4 cm;

largest blades ± oblanceolate, plane, ± succulent, not lobed (margins entire or distally ± crenate).

mostly ascending to erect, 1–10 cm.

0.5–2.5 cm, glabrescent distally (sparsely arachnoid early; bracts 1–2, leaflike, surpassing heads).

obconic to ± hemispheric.

± hemispheric to campanulate.

corollas (diurnal) white to pinkish, 3–7 mm (± equaling cypselae; anthers exserted);

peripheral corollas ± erect, actinomorphic, scarcely enlarged.

5–8 mm.

longest 9–15(–17) mm;

outer usually stipitate-glandular (sometimes sparsely or obscurely, rarely eglandular) and, often, arachnoid to lanuginose and, sometimes, sparsely villous, apices usually ± squarrose, pliant.

longest 6–9(–10) mm (surpassed by florets);

outer (uniformly) sparsely arachnoid to glabrescent in fruit, not stipitate-glandular (inner apically brownish-villosulous), apices usually erect, blunt, ± rigid.

1–25+ per stem.

mostly 1–5(–12) per stem.

5–8 mm (usually sparsely glandular amidst other indument);

pappi: longest scales 3–6 mm.

4–6 mm;

pappi of (8–)10–14 scales in 2–3 gradually unequal series, longest scales 1.5–3.5 mm.

= 12.