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.

green to reddish brown when young, branched, glabrous or sparsely hairy (sometimes tomentulose), often gland-dotted (sessile).

(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).

ascending to spreading;

blades filiform to narrowly oblong (adaxially flat to sulcate), 20–70 × 0.5–4 mm, midnerves evident abaxially, apices acute, sometimes mucronate, faces glabrous or sparsely hairy, often gland-dotted (sessile) and appearing pustular;

axillary leaf fascicles sometimes present.

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

3–15 mm (bracts usually 0).

broadly obconic, 6–8 × 4–7 mm.

narrowly campanulate, 8–11 × 7–12 mm.

4–8;

laminae elliptic, 6–9 × 1–2 mm.

0–5;

laminae elliptic, 8–12 × 1.5–3 mm.

12–22;

corollas 5.5–6.5 mm.

4–14;

corollas 7–11 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.

17–36 in 3–6 series, green to tan, ovate to linear-lanceolate, 3.5–11 × 0.8–2 mm, subequal, herbaceous or herbaceous-tipped, mid and inner chartaceous, midnerves evident at least on distal 1/2, (margins ciliate) apices acute to acuminate or cuspidate, abaxial faces glabrous or hairy, sometimes gland-dotted, resinous.

usually in cymiform arrays.

in (leafy) racemiform to narrowly paniculiform arrays (2–15 cm).

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

pappi tan, 4–5.5 mm.

tan to reddish brown, narrowly elliptic, 6–10 mm, glabrous or apically villous;

pappi tan to reddish brown, 6–9 mm.

= 18.

= 18.