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

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).

0–0.3 mm, glabrous.

0.5–0.8 mm, glabrous, rarely sparsely puberulent.

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 6–7 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.

4.5–6.5 × 3–3.5 mm, glabrous.

3–5.5 × 3–4 mm, glabrous.

20–35, ovoid, 0.6–1.3 mm.

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

racemes interrupted, dense distally, 1–5.5 cm;

peduncle absent;

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

racemes interrupted, open distally, 0.5–11 cm;

peduncle absent;

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

= 22.

= 22.