Flora of North America species comparison

erect to ascending, green when young, soon reddish to brownish, branched, glabrous or tomentose, stipitate-glandular.

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

mostly erect or ascending;

blades spatulate (flat), 15–30 × 3–7 mm, midnerves (and sometimes 2 fainter, collateral nerves) evident (slightly raised abaxially), apices obtuse, mucronate, faces glabrous or tomentose and/or stipitate-glandular;

axillary fascicles absent.

(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).

usually less than 20, rarely to 100 mm (leafy).

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

broadly campanulate, 8–12 × 12–15 mm.

broadly obconic, 6–8 × 4–7 mm.

(0–)1–7;

laminae 7–10 × 1.5–2.8 mm.

4–8;

laminae elliptic, 6–9 × 1–2 mm.

7–20;

corollas 8–9.5 mm.

12–22;

corollas 5.5–6.5 mm.

18–28 in 2–3 series, green to tan, lanceolate to elliptic, 10–14 × 1.3–2.7 mm, subequal (outer sometimes slightly longer than inner), outer herbaceous or with herbaceous appendages, inner mostly chartaceous, midnerves (and often 2 collateral nerves) evident, (margins often narrowly membranous, fimbriate or tomentose) apices acute, acuminate to cuspidate, abaxial faces stipitate-glandular.

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.

(12–22) usually in (leafy) congested, cymiform or racemiform arrays, rarely borne singly.

usually in cymiform arrays.

tan to reddish, ellipsoid, 5–7 mm, glabrous or distally hairy;

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

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

pappi tan, 4–5.5 mm.

= 18.

= 18.