Flora of North America species comparison

erect.

erect.

blades linear or lanceolate to oblanceolate;

cauline 20–220 × 2–30 mm, bases not decurrent.

blades linear-lanceolate to narrowly lanceolate;

cauline 64–155 × 8–26 mm, bases decurrent.

5–220 mm;

bracts 0–15, linear to subulate or ovate to oblanceolate, 2–12(–62) mm.

3–53 mm;

bracts 0–1(–3), linear to oblanceolate, 3–5(–9) mm.

3–5 × 4–14 mm.

3.2–4.3 × 8–9 mm.

20–60;

corollas white to lilac, laminae 5–13 mm, tubes 0.5–1.7 mm.

45–60;

corollas white to lilac, laminae 9–14 mm, tubes 0.6–1.1 mm.

65–170;

corollas 1.5–2.6 mm.

230–400+;

corollas 1.8–2.4 mm.

in 3–5 series, subulate, linear, lanceolate, or spatulate, subequal, 0–6 merging down peduncles;

outer 1.5–3.8 × 0.4–1.6 mm;

inner 2.1–4 × 0.3–1.5.

in 3–5 series, oblong to spatulate, subequal, apices acuminate to cuspidate, 0–1 merging down peduncles;

outer 2.3–3.9 × 0.5–1 mm;

inner 3–4 × 0.6–1 mm.

usually in corymbiform, sometimes paniculiform arrays, branches spreading to ascending, most bracts leaflike, 15–120 × 2–18 mm.

in corymbiform to corymbo-paniculiform arrays;

bracts 11–125 × 1–19 mm.

obovoid, 1–3 × 0.8–2 mm, wings 0.1–0.5 mm wide;

pappi awns 0.4–2 mm (lengths ± 2/3 cypselae).

obovoid to obcordiform, 1.5–2.6 × 1.1–1.9 mm, wings 0.3–0.4 mm wide;

pappus awns 0.8–1.75 mm.

= 18.