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, fastigiately branched, glabrous or sparsely hairy, resinous.

(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 ascending to spreading, often recurved distally;

blades filiform to narrowly oblanceolate (adaxially sulcate), 10–25 × 0.5–1.5 mm, midnerves obscure, apices apiculate, faces glabrous, resinous (axillary fascicles usually present).

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

1–10 mm (bracts 0–15+).

broadly obconic, 6–8 × 4–7 mm.

obconic, 5.5–8 × 3–5 mm.

4–8;

laminae elliptic, 6–9 × 1–2 mm.

3–7;

laminae (white) 5.5–7 × 1.5–2 mm.

12–22;

corollas 5.5–6.5 mm.

10–15;

corollas (white) 6–8 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.

22–34 in 4–5 series, green to tan, lanceolate to oblong, 1–6 × 0.5–1.5 mm, strongly unequal (sometimes outer subequal), mostly chartaceous, outer herbaceous or apically so (mid bodies often apically obtuse to notched, with subulate appendages), midnerves evident, (margins narrowly membranous, entire or serrulate, often ciliolate) apices acute to attenuate (outer often squarrose), abaxial faces glabrous, resinous.

usually in cymiform arrays.

in loose, cymiform arrays (1–4 cm wide).

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

pappi tan, 4–5.5 mm.

tan to brown, narrowly turbinate, 4.5–5 mm, moderately to densely sericeous;

pappi off-white to brown, 5.8–7.2 mm.

= 18.

= 18.