Flora of North America species comparison

simple or with 1–20 ascending branches, 5–60(–80) cm, glabrous proximally, sparsely pubescent distally.

simple or with 1–4 ascending branches proximally, (3.5–)5–15(–19) cm, glabrous proximally, pubescent to glandular-pubescent distally.

glabrous or sparsely pubescent;

proximal cauline: blade linear, 3–30(–80) mm;

cauline: blade ± ovate or obovate, 15–90 mm, base sessile, margins pinnatifid, rarely bipinnatifid, lateral lobes 3–9.

pubescent to glandular-pubescent;

proximal cauline: blade filiform to linear, (4–)5–25 mm;

cauline: blade ± elliptic to obovate, 10–25 mm, base sessile, margins usually pinnatifid, lateral lobes 2–6(or 7).

1–2 mm, glabrous.

0.5–0.8 mm, glabrous, rarely sparsely puberulent.

calyx 5–11 mm, glabrous or sparsely puberulent, tube 4–8 mm, lobes narrowly triangular, 1.5–5 × 1–2 mm;

corolla yellow, rarely yellow and white, or white, fading to rose pink, 12–25(–27) mm, densely short-hairy, beak ± yellow, white, or rose pink, not hooked, abaxial lobes spreading, 2–4 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting;

stamens included, pollen sac yellow, 1.7–3 mm, glabrous, dehiscing longitudinally;

style 10–20 mm, glabrous;

stigma capitate.

calyx 6–7 mm, pubescent to glandular-pubescent, tube (2–)3–5 mm, lobes narrowly lanceolate, 1–3 × 0.8–1.3 mm;

corolla yellow, rarely yellow and white, 10–12 mm, hairy, beak dark purple, rarely yellow, not hooked, abaxial lobes spreading, 1.5–2 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting;

stamens included, pollen sac yellow, 1–1.3 mm, glabrous, dehiscing longitudinally;

style 6–9 mm, glabrous;

stigma 2-lobed.

6–9(–10) × 3.5–5 mm, glabrous.

3–5.5 × 3–4 mm, glabrous.

15–60, ovoid, 0.6–1 mm.

(30–)40–80, ovoid to ellipsoid, 0.8–1 mm.

racemes interrupted, dense distally, 2–30 cm;

peduncle absent;

bracts pinnatifid, ± ovate or obovate, 6–22 mm, lateral lobes 2–7.

racemes interrupted, open distally, 0.5–11 cm;

peduncle absent;

bracts pinnatifid, ± obovate, 7–13(–15) mm, lateral lobes 2–4.

= 22.