Flora of North America species comparison

erect to spreading (close to the ground), green when young, becoming pale reddish brown, highly branched, coarsely long-stipitate-glandular.

erect to spreading, green when young, becoming tan, branched proximally, often with scattered, crinkled hairs and short- stipitate-glandular hairs.

(crowded) ascending;

blades elliptic to oblanceolate, 10–25 × 3–8 mm, midnerves evident (1–2 fainter, collateral nerves often present), (margins undulate) apices acute, apiculate, faces long-stipitate-glandular;

fascicles usually absent, (sometimes of 1–3 reduced leaves).

mostly erect or ascending;

blades oblanceolate to narrowly spatulate, 20–40 × 2–3(–5) mm, midnerves evident, apices acute to acuminate, faces short-stipitate-glandular, sometimes gland-dotted (sessile), resinous;

axillary fascicles of 1–7 reduced leaves often proximally present, distally absent.

1–12 mm (bracts 3–20, crowded, leafy, grading into phyllaries).

1–15 mm (bracts 0–3, usually resembling phyllaries).

broadly obconic, 6–8 × 4–7 mm.

narrowly campanulate, 12–15 × 4.5–5.5 mm.

4–8;

laminae elliptic, 6–9 × 1–2 mm.

0.

12–22;

corollas 5.5–6.5 mm.

10–16;

corollas 9.1–11.5 mm.

25–30 in 3–4 series, green to tan, ovate to oblong, 4–8 × 0.7–1.5 mm, unequal, outer herbaceous or with herbaceous appendages, inner mostly chartaceous, midnerves usually evident, (margins entire, outer often herbaceous, inner scarious) apices acute to acuminate or attenuate, abaxial faces mostly stipitate-glandular.

18–24 in (3–)4 series, tan, ovate or lanceolate to elliptic, 4–11 × 0.6–1.2 mm, subequal, mostly chartaceous, midnerves raised, evident, apices acute to cuspidate, herbaceous-tipped, abaxial faces resinous.

usually in cymiform arrays.

usually in paniculiform or cymiform arrays, sometimes borne singly.

tan to brown, narrowly turbinate, 3–4.5 mm (usually 5-ribbed), moderately sericeous;

pappi tan, 4–5.5 mm.

tan to reddish, ellipsoid, 6–10 mm, glabrate or apically sparsely hairy;

pappi off-white to brown, sometimes reddish, 7–9 mm.

= 18.

= 18.