Flora of North America species comparison

ascending to spreading, green when young, becoming dark brown then gray, branched, twigs stipitate-glandular, resin coated.

ascending;

blades elliptic to obovate, 9–18 × 2.5–4 mm, midnerves prominent with 2 fainter, collateral nerves, (margins undulate) apices usually obtuse to rounded, sometimes acute, apiculate, faces stipitate-glandular, resinous;

axillary leaf fascicles reduced or absent.

1–15 mm (bracts 3–8, gradually reduced, leafy).

obconic, 5–7 × 2.5–3.5 mm.

3–4;

laminae elliptic, 1.9–2.5 × 0.6–1.3 mm.

8–9;

corollas 3.5–5.3 mm.

22–30 in 4–5 series, mostly tan, lanceolate to elliptic, 1.5–5 × 0.8–1.2 mm, strongly unequal, chartaceous (bodies abruptly constricted at bases of appendages), midnerves usually inconspicuous, (margins scarious, entire or minutely lacerate) apices acute to acuminate or cuspidate, abaxial faces glabrous, lightly resinous, sometimes gland-dotted.

in cymiform arrays.

tan, subcylindric to narrowly oblanceoloid, 2.2–4 mm, sericeous;

pappi whitish, 3–5 mm.

= 18.