Flora of North America species comparison

1, erect (fistulose), branched distally or from bases, tomentulose and/or hispid.

1–10+, erect or ascending (in dense clumps), simple or proximally branched, glabrous.

basal and cauline; petiolate;

blades lanceolate to oblanceolate, often coarsely runcinate, 5–15 × 1–4 cm, margins entire, denticulate, or dentate to pinnately lobed (lobes remote, coarse, unequal), apices acute to acuminate, abaxial faces glabrous or tomentose, adaxial glabrous (proximal cauline sessile, bases auriculate, distal usually linear, entire).

basal and cauline; petiolate (at least basal);

blades (often purplish), orbiculate to spatulate, less often lyrate or runcinate, 2–9 × 0.5–2.5 cm, (bases abruptly 0) margins entire or pinnately lobed, apices obtuse to acute, faces glabrous (glaucous).

cylindro-campanulate, 6–9 × 7–8 mm.

cylindric, 8–13 × 3–4 mm.

30–70;

corollas yellow (without red on ligules), 10–13 mm.

9–12;

corollas yellow, purple-tinged abaxially, 9–12 mm.

12–15, lanceolate, 5–9 mm, (bases becoming keeled and thickened, margins scarious), apices acute to attenuate (white-ciliate, tomentulose), abaxial faces tomentose to hispidulous, adaxial with fine, appressed hairs.

8–10, (dark green or purple medially) oblong, 10–11 mm, (margins scarious, eciliate) apices acute, faces glabrous.

of ± 12, subulate, tomentose and hispidulous bractlets 2–5 mm (often becoming scarious).

of 5–10 (dark green or blackish), lanceolate, glabrous bractlets 2–3 mm.

5–20(–100+), in paniculiform or corymbiform arrays.

5–80+ (among or beyond leaves), in cymiform arrays.

dark reddish or purplish brown, fusiform, 3–4 mm, apices constricted (not beaked), ribs 10 (rounded, minutely spiculate);

pappi white (fine, soft), 4–5 mm.

golden brown, subcylindric to fusiform, 4–7 mm, apices sometimes tapered (not beaked), ribs 10–13 (broad, smooth);

pappi (falling) bright white, 4–6 mm.

= 8.

= 14.