Flora of North America species comparison

ascending to erect, simple or few-branched, 2–12 cm, glabrous proximally, glabrous or glandular-puberulent distally.

decumbent to ascending or erect, simple or few- to much-branched, 10–40 cm, glabrous proximally, glandular-pubescent distally.

blade linear-lanceolate to oblanceolate, elliptic, or oblong, 4–8(–20) × 1.5–3.5 mm, margins entire, apex obtuse to rounded, surfaces glabrous.

blade oblanceolate to narrowly obovate or oval, 20–45 × 4–18 mm, margins with 1–6 pairs of teeth distally, apex obtuse to acute, surfaces glabrous.

slender, 2–14(–28) mm, length 0.9–2.3 times bract, sparsely to densely glandular-puberulent;

bracteoles 0.

slender, 20–45(–55) mm, length 0.8–2 times bract, glabrate or finely glandular-pubescent;

bracteoles 2, 3–6 mm.

sepals connate proximally, calyx distinctly bilaterally symmetric, lobes elliptic-oblanceolate, 3.5–6 mm;

corolla 4–7.5(–9) mm, tube yellow or greenish yellow, veins purple, limb white abaxially, greenish yellow adaxially;

style 1.5–2 mm.

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

corolla 14–25 mm, tube yellowish green, veins reddish purple to brownish yellow, limb white;

style 5–7 mm.

subglobular to ovoid, 3.5–4.7 × 3–4.5 mm.

ovoid, 3–6 × 2.8–3.2 mm.

0.5–0.7 mm.

0.6–0.8 mm.