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.

basal and cauline;

petiolar bases 0–3+ cm;

blades ovate to lanceolate, 3–8 cm × 5–25 mm, (bases of distal usually clasping) margins of proximal often lobed or toothed, of distal usually entire, rarely lobed, faces sparsely hispidulous.

(4–)8–25+ cm.

5–20 cm.

0 or 5–14;

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

5–13;

corollas proximally reddish or orange to yellow, distally orange to yellow, 10–20 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.

40–100+;

corollas proximally yellow or reddish, distally reddish or yellow, tubes 0.6–1 mm, throats campanulate, 3–4 mm, lobes deltate, 1–1.2 mm, jointed hairs to 0.3 mm.

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

14–22, lanceolate-acuminate to lanceolate-attenuate, 5–12+ mm, closely hispidulous strigillose, not 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).

obpyramidal, 1–3 mm, hairs 1–3 mm, inserted at bases;

pappi of 8–9 ovate to lanceolate, aristate scales 2–5+ mm (scarious bases 1–2.5 × 0.4–1 mm).

setae usually 1–3 mm, rarely wanting.

setae 2–4 mm.

= 34.

= 34.