Flora of North America species comparison

simple or with 1–15 ascending branches proximally, 6–24(–30) cm, glabrous proximally, sparsely retrorsely short-strigose distally.

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

glabrous or sparsely puberulent;

proximal cauline: blade linear to linear-lanceolate, 6–14 mm;

cauline: blade ± ovate, 10–56 mm, base sessile, margins pinnatifid, rarely bipinnatifid, lateral lobes 4–8.

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.

0–0.3 mm, glabrous.

0.3–0.5 mm, glabrous.

calyx 4–6 mm, glabrous, tube 2–4 mm, lobes triangular to narrowly lanceolate, 1.3–2 × 0.8–1 mm;

corolla creamy white, rarely pale yellow, 6–14 mm, glabrous, beak light green or white, not hooked, abaxial lobes spreading, 1.5–3 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting;

stamens exserted, pollen sac yellow, 1.3–1.5 mm, glabrous, dehiscing longitudinally;

style 5.5–6 mm, glabrous;

stigma capitate.

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.

4.5–6.5 × 3–3.5 mm, glabrous.

4–8 × 2.5–4.5 mm, glabrous.

20–35, ovoid, 0.6–1.3 mm.

30–100, ovoid, 0.5–1 mm.

racemes interrupted, dense distally, 1–5.5 cm;

peduncle absent;

bracts pinnatifid, ± ovate, 4–12 mm, lateral lobes 2–6.

racemes interrupted, dense distally, 1–24 cm;

peduncle absent;

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

= 22.