Flora of North America species comparison

ribbed, (1.5–)5–10(–12) dm, glandular-verrucose distally.

(1.5–)2.5–10(–15) dm, ± sparsely glandular-verruculose distally.

spikes, relatively densely flowered, not involucrate, 13–16 mm diam.;

axis usually not visible, (1.5–)2–8 cm;

bracts deciduous by anthesis, (3–)4–8 mm.

spikes, relatively densely flowered, not involucrate, 8–12(–15) mm diam.;

axis usually not visible, (0.8–)1.5–7(–10) cm;

bracts deciduous by anthesis, 2.5–7 mm.

(1–)2.5–14 cm.

(1.5–)3–12(–15) cm.

8–10, (7.5–)8–11 mm, filaments distinct to 0.1–1.6 mm, anthers 0.4–0.5 mm.

9 or 10, 5–6.8 mm, filaments distinct to 0.6–1 mm, anthers 0.2–0.4 mm.

white, sometimes banner purplish in age;

not conventionally papilionaceous;

banner 4.9–7.3 mm, blade lanceolate-oblong to oblong-elliptic, 3–4.8 × 2.2–2.3 mm; epistemonous petals attached near or proximal to middle of stamen tube, blades somewhat unequal, laterals (2–)3.4–5 × 1–1.8 mm, abaxials 3–3.7 × 1.1–1.6 mm.

white to purple or blue;

not conventionally papilionaceous;

banner (3.4–)4.4–6 mm, blade ovate to oblong-elliptic, (1.7–)2–3.7 × 1.2–2.4 mm; epistemonous petals attached near or distal to middle of stamen tube, blades (1.3–)1.6–2.4 × (0.4–)0.5–1 mm, laterals often slightly narrower than abaxials.

asymmetric, recessed opposite banner, 4.8–7 mm, glabrous;

tube (2.5–)2.7–3.8 mm, with 2–4(–8) large glands between ribs, lobes triangular-aristate.

asymmetric, recessed opposite banner, 3–5.2 mm, sparsely to densely pilose or pilosulous;

tube (1.7–)2–2.5(–2.8) mm, with (1 or)2 irregular rows of 2–6 small glands between ribs, sometimes merging into fewer, larger glands, lobes ovate-triangular to lanceolate-acuminate.

2.2–2.8 mm, pilosulous distally and dotted with small glands.

1.4–3 mm, pilosulous distally and, sometimes, glandular-punctate.

1.6–1.8(–2) mm.

1.7–2.4 mm.

herbs, erect, glabrous proximal to inflorescences.

herbs, erect, glabrous proximal to inflorescences.

leaves 3–10 cm;

leaflets 19–37, blades oblong-elliptic to oblanceolate, 2–9 mm.

leaves 2–9.5 cm;

leaflets (17–)21–35(–49), blades oblanceolate to obovate, (2–)3–12 mm.

= 14 (Mexico).

= 14.