Flora of North America species comparison

ascending to erect, usually much-branched from base, 5–10 cm, glabrous.

ascending to erect, simple or few-branched, 10–35 cm, glabrous or glabrate proximally, glandular-puberulent distally.

blade linear-lanceolate, 5–15 × 1–5 mm, margins entire or with 1 or 2 pairs of teeth distally, apex obtuse, surfaces glabrous.

blade linear-lanceolate to lanceolate-ovate, 7–20 × 1–3 mm, margins entire or with 1 or 2(or 3) pairs of blunt teeth distally, apex acute, surfaces glabrate or sparsely glandular-puberulent.

slender, 4–10 mm, length 1–2.3 times bract, glabrous;

bracteoles 1, 1.5–4 mm.

slender to stout, 6–17 mm, length 0.8–2 times bract, sparsely to densely glandular-puberulent;

bracteoles 0 or 1, 0.8–1 mm.

sepals distinct, linear to linear-lanceolate, 3–6 mm;

corolla 9–12 mm, tube yellow to orangish yellow, veins yellow to greenish yellow or brownish yellow, limb yellow;

style 3–5 mm.

sepals distinct, linear to narrowly lanceolate or oblong, 3–6 mm;

corolla 10–14 mm, tube greenish yellow, veins yellow, brownish yellow, or purple, limb white;

style 2–4 mm.

ovoid, 2–2.5 × 1.5–2 mm.

subglobular to ovoid, 1.2–2 × 1.2–2 mm.

0.3–0.4 mm.

0.2–0.3 mm.

= 14.