Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–4, erect, straight, glabrous or moderately hirtello-strigose.

basal petioles 3–5 cm, blades oblanceolate or spatulate to ovate or rotund, 2–4 cm (excluding petioles);

cauline (numerous) subsessile or sessile, blades elliptic or lance-elliptic to ovate, mid mostly 25–50(–65) × 10–25 mm, distal much reduced;

branch leaf petioles 1 mm, blades ovate, 5–15 (excluding petioles) × 2–10 mm.

basal withering by flowering;

proximal to mid cauline weakly petiolate or sessile, blades lanceolate to elliptic, (36–)95–150(–180) × (10–)19–43(–60) mm, margins serrate (with (3–)8–20(–36) teeth), faces glabrous or sparsely hairy, more so along nerves;

distal cauline sessile, blades narrowly lanceolate to narrowly elliptic, (5–)37–90(–130) × (3.5)5–18(–34) mm, margins entire to sparsely serrate (0–9(–14) teeth), faces glabrous or sparsely hairy, sometimes more pilose along nerves.

linear, 1–3 mm, bracteate.

2–6 mm, moderately to densely finely strigose;

bracteoles 0–3, linear-oblong.

narrowly campanulate, 3–5 mm.

narrowly campanulate, (5–)5.6–7(–8) mm.

0(–2).

2–4(–6);

laminae (2–)2.5–4(–4.6) × 1–2 mm.

4–8;

corollas 3 mm, lobes 1 mm.

3–7(–9);

corollas mostly 2–3 mm, lobes 1–1.7(–2.4) mm.

in 3–4 series, lanceolate, strongly unequal, margins ciliate, apices acute, glabrous.

in 3–4 series, strongly unequal, outermost 1–1.4(–2) mm, innermost (2.5–)3–4(–4.4) mm, obtuse to acute, 1-nerved.

75–200 in open paniculiform arrays, branches divaricate, ascending to recurved, weakly to strongly secund, to 50 cm, secondary branches less than 3 cm.

20–800 in short axillary and terminal racemiform/paniculiform, non-secund arrays (2–)8.5–38.5(–65) cm.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1–2(–3) mm, sparsely to moderately strigose;

pappi (2–)2.7–3.6(–4.5) mm.

= 18.