Flora of North America species comparison

1, erect (often reddish), stout (fistulose), simple or branched proximally, coarsely setose or hispid (at least distally, setae yellowish).

1(–3+), erect to decumbent or prostrate, branched proximally or distally, hispid and/or setose.

basal and cauline; petiolate;

blades oblanceolate, often runcinate or lyrate, 5–30 × 1–8 cm, margins dentate to pinnately lobed (terminal lobes often relatively large), apices acute to obtuse, faces finely hispid (coarsely setose along midribs; cauline leaves lanceolate, bases sagittate with acuminate lobes, margins dentate to deeply laciniate proximally).

basal and cauline; petiolate;

blades oblanceolate, runcinate, 3–13 × 1–3 cm, margins denticulate to pinnately lobed (lobes deltate to lanceolate, often sharply serrate, terminal relatively large), apices acute, faces hispid to villous (cauline sessile, blades ovate to lanceolate or linear, runcinate, bases auriculate, margins deeply pinnately lobed, lobes linear).

cylindro-campanulate, 6–10 × 4–10 mm.

cylindric to turbinate, 7–16 × 4–13 mm.

10–20;

corollas yellow, sometimes reddish abaxially, 8–10 mm.

80–100+;

corollas yellow (usually reddish purple adaxially), 9–16 mm.

12–16, lanceolate, 6–7 mm, (bases strongly keeled and thickened, margins green to yellowish), apices acuminate, abaxial faces coarsely setose or hispid, adaxial with fine hairs.

8–12, lanceolate (bases strongly keeled, enclosing marginal cypselae, margins green), apices acute to attenuate, abaxial faces hispid or setose, adaxial with fine hairs.

of 10–14, linear, coarsely setose bractlets 2–4 mm.

of 8–10, linear to lanceolate, densely hispid bractlets 2–5 mm (becoming lax).

10–20, in paniculiform or cymiform arrays.

3–10+, in cymiform arrays.

reddish brown, fusiform, 3–5 mm, beaked (beaks 1–2 mm), ribs 10 (rounded, spiculate near bases of beaks);

pappi white (fine, soft), 4 mm.

(dimorphic) subcylindric, outer stout, 7–9 mm, nearly beakless, inner 12–17 mm, beaks 2–5 mm;

pappi dull white, 3–7 mm.

, biennials, or perennials, 10–50 cm (roots fibrous, shallow).

= 8.

= 10.