Flora of North America species comparison

simple or with 1–10 ascending branches proximally, 2–37 cm, glabrous proximally, puberulent to glandular-puberulent distally.

puberulent to glandular-puberulent;

proximal cauline: blade linear, 5–25 mm;

cauline: blade ± ovate or obovate, 8–50 mm, base sessile, margins pinnatifid, rarely bipinnatifid, lateral lobes 2–11.

0.3–0.5 mm, glabrous.

calyx 6–13 mm, puberulent to glandular-puberulent, tube 4–7 mm, lobes triangular to narrowly lanceolate, 1–4 × 1–1.5 mm;

corolla yellow, rarely yellow and white, or white, fading to rose pink, 10–25 mm, densely hairy, beak dark purple, not hooked, abaxial lobes spreading, 2–5 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting;

stamens included, pollen sac yellow, 1.5–2 mm, glabrous, dehiscing longitudinally;

style 12–22 mm, glabrous;

stigma capitate.

4–8 × 2.5–4.5 mm, glabrous.

30–100, ovoid, 0.5–1 mm.

racemes interrupted, dense distally, 1–24 cm;

peduncle absent;

bracts pinnatifid, rarely bipinnatifid, ± ovate, 2–30 mm, lateral lobes 2–8.