Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–3+, erect, straight, glabrous proximally to sparsely hairy in arrays.

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 cauline sessile, blades elliptic, 100–130 × 35–45 mm, margins sharply serrate (with 20–31 teeth), abaxial faces glabrous, adaxial glabrous or sparsely hairy;

distal cauline sessile, blades narrowly elliptic, 65–80 × 13–24 mm, bases cuneate, margins entire to slightly serrate, apices acuminate, faces glabrous.

linear, 1–3 mm, bracteate.

0.5–3 mm, sparsely hispido-strigose;

bracteoles ovate, 1–3 near each head, grading into phyllaries.

narrowly campanulate, 3–5 mm.

narrowly campanulate, (6.5–)7–8 mm.

0(–2).

1;

laminae 2.4–4.7 × ca. 1 mm.

4–8;

corollas 3 mm, lobes 1 mm.

4–5;

corollas 1.8–2.8 mm, lobes 0.8–1.6 mm.

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

in ca. 3–4 series, unequal, 1-nerved, obtuse;

outermost linear-oblong, 0.8–1.3 mm.

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

25–50, in non-secund, short, axillary and terminal racemiform/paniculiform arrays 13–25 cm.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

1.5–2.7 mm, glabrous;

pappi 3–3.5 mm.

= 18.

= 18.