Flora of North America species comparison

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

1–20+ or clustered, erect, glabrous or sparsely strigose in arrays, sometimes glaucous.

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.

basal 0;

proximal cauline usually withering by flowering time, sessile, lanceolate, 91–97 × 10–14 mm, margins sharply serrate, 3-nerved, apices acuminate, abaxial faces pilose on nerves or glabrous;

mid to distal cauline similar, 57–76 × 0.7–1.2 cm, largest toward mid stem, decreasing distally.

1–6 mm, moderately canescent;

bracteoles linear to lanceolate.

1.5–3 mm, sparsely to densely strigillose;

bracteoles 0–2, linear-lanceolate.

campanulate, 4.5–5.5 mm.

campanulate, (2–)2.5–4(–5) mm.

6–8;

laminae 3–4 × 1–1.5 mm wide.

(7–)9–15(–24) (conspicuous);

laminae 1–3 × (0.1–)0.2–0.4 mm.

8–14;

corollas 4–5 mm, lobes ca. 1.5 mm.

(4–)7–12(–17);

corollas (2.5–)3–3.5(–4.5) mm, lobes 0.6–1(–1.4) 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, unequal, acute;

outer lanceolate, inner linear-lanceolate (hexaploids from far west can have minute stipitate glands, especially near base of outer phyllaries and peduncle bracts).

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.

40–600, secund, in broadly secund, pyramidal paniculiform arrays, rarely rhombic or club-shaped, proximal branches divergent, recurved, glabrous-glabrate or strigose, sometimes glaucous.

(reddish brown) 2–3 mm, glabrous;

pappi 4–5 mm.

1.3–1.5 mm, sparsely strigose;

pappi 2–2.5 mm.

=18, 36, 54.