Flora of North America species comparison

1–5+, sparsely to moderately short strigose or villous.

1–10+, ascending-erect, glabrous, often short fascicles of leaves present at nodes in axes of distal cauline leaves.

basal withering by flowering, petiolate, smaller to much smaller than cauline, blades oblanceolate, margins serrate;

cauline sessile, blades elliptic-lanceolate or -oblanceolate, mid 80–140 × 2.5–4 mm, distally reduced, usually membranous, bases tapering, attenuate, margins sharply toothed along much of length to nearly entire, ciliate, abaxial faces short-pilose along small and large nerves, adaxial short-pilose along larger nerves.

rosettes present at flowering;

basal and proximal cauline tapering to elongate, winged petioles, bases nearly sheathing stems, blades linear-lanceolate, 50–260 (including petiole) × 5–45 mm, somewhat fleshy (fresh), margins entire, faces glabrous;

mid and distal cauline crowded (robust plants), sessile, blades linear-lanceolate to lanceolate, 20–130 × 5–10(–25) mm, reduced distally, margins entire, apices acute to attenuate, glabrous.

1–6 mm, moderately canescent;

bracteoles linear to lanceolate.

2–8 mm, glabrous or sparsely strigose;

bracteoles 1–3, distally grading into phyllaries.

campanulate, 4.5–5.5 mm.

campanulate, 2.5–4 mm.

6–8;

laminae 3–4 × 1–1.5 mm wide.

8–12;

laminae 1–2.5 × 1 mm.

8–14;

corollas 4–5 mm, lobes ca. 1.5 mm.

10–20;

corollas 3–4 mm, lobes 1–1.5 mm.

in ca. 3 series, strongly unequal, erect to slightly squarrose-tipped, lanceolate, apices acute, glabrate, sparsely to moderately, finely stipitate-glandular.

in 3–4 series, linear-triangular, unequal, margins involute near tip, sharply acute, the outer 1/3–2/3 length of inner (1–3 × 0.4–0.9 mm), midribs usually enlarged and translucent.

5–160 (2–10+ more per short branch cluster), in narrowly elongate paniculiform arrays, branches usually 1–6 cm (much longer in damaged plants, sometimes 1–3 proximal branches much elongated in undamaged plants), ascending and bearing short terminal racemiform or paniculiform clusters.

70–320, usually not secund, in thyrsiform-paniculiform arrays, sometimes apically secund, 5–25(–50) × 2–14 cm;

branches ascending to arching.

(reddish brown) 2–3 mm, glabrous;

pappi 4–5 mm.

(narrowly obconic) 2 mm (5–7 broad ribs lighter than body), sparsely to moderately strigose;

pappi 2–3 mm.

= 18.