Flora of North America species comparison

green when young, fastigiately branched, puberulent, gland-dotted (in pits), resinous.

ascending to spreading;

blades linear to narrowly obovate (terete to adaxially sulcate), (0.5–)10–15 × 0.5–1 mm, midnerves not evident, apices acute, faces puberulent, regularly gland-dotted (in circular, deep pits), resinous;

axillary leaf fascicles present proximally, shorter than subtending leaves.

5–15 mm (bracts 0–2).

narrowly campanulate, 4–5 × 3–4 mm.

(0–)1–3;

laminae elliptic, 4–6 × 1–2 mm.

4–12;

corollas 3–5 mm.

10–14 in 3–4 series, tan, sometimes greenish subapically, ovate to oblong, 2.5–5 × 0.6–1.5 mm, unequal, mostly chartaceous, midnerves evident, subapically expanded, (margins scarious or narrowly membranous, entire, ciliolate) apices erect, acute to obtuse, abaxial faces usually glabrous, sometimes (outer) sparsely puberulent and/or resinous.

in rounded, cymiform arrays (2–9 cm wide).

tan to brown, turbinate, 3–3.5 mm, sericeous;

pappi silvery tan, 3–5 mm.

= 18.