Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–10+, ascending-erect, glabrous, sometimes sparsely strigose 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.

sometimes rosettes of smaller leaves present at flowering;

basal and proximal cauline tapering to elongate, winged petioles, bases nearly sheathing stems, blades linear-lanceolate, 50–200 (including petiole) × 4–9 mm, reduced distally, margins entire, apices acute, faces glabrous;

mid and distal cauline sessile, blades linear, 25–100 × 3–7 mm, reduced distally and sometimes scalelike, margins entire.

linear, 1–3 mm, bracteate.

3–8 mm, glabrous or glabrate;

bracteoles 3–6, grading into phyllaries.

narrowly campanulate, 3–5 mm.

campanulate, 2.5–4 mm.

0(–2).

8–10;

laminae 1.2–2.5 × ca. 0.75 mm.

4–8;

corollas 3 mm, lobes 1 mm.

10–21;

corollas 2.8–4 mm, lobes 1 mm.

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

in 3–4 series, linear-triangular, outer 1/3–1/2 length of inner, 1–3 × 0.4–0.9 mm, unequal, margins involute apically, midribs usually enlarged and translucent, inner with margins involute, apices sharply acute.

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

15–190, in racemiform to narrowly paniculiform arrays, rarely slightly secund, 12–45 × 2–11 cm, branches ascending.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(obconic) 1–1.5 mm (4–7 ribs lighter than body), sparsely to moderately strigose;

pappi 1.5–2 mm.

= 18.

= 18.