Flora of North America species comparison

basal and cauline, mostly restricted to proximal 1/3–1/2;

petiolar bases 0–5+ cm;

blades mostly oblanceolate to spatulate, 3–6(–12) cm × 3–18(–30) mm, margins mostly pinnatifid, distal sometimes toothed or entire (rarely all linear, entire), faces closely strigillose to shaggily villous.

cauline;

petiolar bases 0–3+ cm;

blades oblanceolate, oblong, or spatulate, 2–6 cm × 6–24 mm, (bases of distal ± clasping) margins usually entire or obscurely toothed, rarely lobed, faces scabrellous and/or ± villous (hairs scattered, jointed).

(4–)8–25+ cm.

5–10(–15) cm.

0 or 5–14;

corollas usually uniformly yellow, sometimes proximally and/or abaxially reddish, 10–25+ mm.

8–12;

corollas mostly bright red to dark purple, rarely yellow, 15–25 mm.

(30–)60–100+;

corollas usually proximally ochroleucous or yellow and distally purplish, rarely wholly yellow, tubes 0.8–1 mm, throats campanulate to plumply urceolate, 3–4.5 mm, lobes broadly deltate to deltate-ovate, 0.5–1 mm, jointed hairs 0.3+ mm.

30–60+;

corollas yellow with purple tips, tubes 1.5 mm, throats narrowly cylindric, 4.5 mm, lobes ovate-deltate, 0.5–1 mm, jointed hairs more than 0.3 mm.

20–30, ovate- to lanceolate-attenuate, 7–12+ mm, hispidulous to villous (hairs often jointed).

22–32, lanceolate to lance-attenuate, 7–15 mm, ciliate with jointed hairs.

obpyramidal, 1–3 mm, hairs 1–2 mm, inserted at bases and on angles and faces;

pappi of 8–11 lanceolate, aristate scales 3–7 mm (scarious bases 1.5–4 × 0.5–1.5 mm).

dimorphic: the peripheral usually ± obcompressed-clavate, 2–4+ mm, glabrous or nearly so, with pappi of (6–)8+, muticous scales 0.1–0.3+ mm; the inner obpyramidal, 2–3 mm, hairs 1–3 mm, inserted at bases and on angles, with pappi of 8–12 lanceolate, aristate scales 5–6 mm (scarious bases 2.5–3 × 0.5–1 mm).

setae usually 1–3 mm, rarely wanting.

setae 2.5–3 mm.

= 34.

= 34.