Flora of North America species comparison

moderately crowded, green;

blades 1(–3)-nerved, linear, 30–50 × 0.5–2 mm, faces glabrous, minutely gland-dotted;

distalmost about equaling arrays.

moderately crowded, gray-green;

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

distalmost ± equaling arrays.

12.5–15 mm.

11–15 mm.

5–7;

corollas yellow, 9–11 mm, tubes glabrous or proximally puberulent, throats gradually dilated, lobes 1.5–1.9 mm.

5–10;

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

9–13, chartaceous, apices erect (tan or greenish), attenuate.

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

6–20+ in lax (much-branched), racemiform to thyrsiform arrays.

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

= 18.

= 18.