Flora of North America species comparison

1–5, sparsely to moderately strigoso-puberulent.

1–3+, erect, flexuous in proximal arrays, moderately to densely villous.

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;

basal and proximal cauline abruptly tapering to winged, villous petioles (petioles ± 1/2 or less total leaf length), blades broadly ovate to spatulate, 46–80(–90) × 23–47(–55) mm, margins serrate [teeth 6–12(–15)], abaxial faces moderately villous, more so along nerves, adaxial sparsely to moderately villoso-strigose;

distal cauline petiolate, similar to proximal or more elliptic, 27–45 × 13–20 mm, margins entire to slightly serrate.

linear, 1–3 mm, bracteate.

3–5 mm, sparsely strigose;

bracteoles 1–3 scattered, ovate.

narrowly campanulate, 3–5 mm.

campanulate, 4.3–6.5(–7) mm.

0(–2).

3–5;

laminae 2.4–4 × 1–1.5 mm.

4–8;

corollas 3 mm, lobes 1 mm.

5–8;

corollas 2.2–2.5 mm, lobes ca. 1–2 mm.

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

in ca. 3 series, unequal, outer ovate, 1–1.5 mm, obtuse to acute, inner oblong, 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.

10–30, in short axillary and terminal racemiform/paniculiform clusters.

2.5–3 mm, moderately short-strigose;

pappi 2 mm.

(obconic) 1–2 mm, moderately hairy;

pappi 2.3–2.8 mm.

= 18.

= 36.