Flora of North America species comparison

usually crowded, green;

blades 3-nerved (only midnerves prominent), linear, 30–80 × 2–3 mm, faces glabrous or puberulent, often minutely stipitate-glandular, ± resinous;

distalmost overtopping arrays.

moderately crowded, gray-green;

blades 1-nerved, oblanceolate, 15–50 × 1–3 mm, faces abundantly stipitate-glandular;

distalmost ± equaling arrays.

9–12 mm.

11–15 mm.

8–20;

corollas yellow, 7.9–10 mm, tubes sparsely hairy, throats gradually dilated, lobes 1.4–2.1 mm.

5–10;

corollas yellow, 8.3–9.5 mm, tubes sparsely hairy, throats gradually dilated, lobes 1.4–1.7 mm.

10–15, mostly chartaceous, outermost sometimes herbaceous-tipped, apices erect, attenuate.

9–13, whitish, tan, or purplish, apices erect to spreading, acute.

usually 5–12+ in racemiform arrays.

4–10+ in (sometimes branched) racemiform arrays.

= 18.

= 18.