Flora of North America species comparison

(5–)6–12 dm, eglandular or sparsely glandular-punctate.

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

spikes, remotely flowered, most flowers separated by distinct intervals, not involucrate, 7–10 mm diam.;

axis visible, (1–)2.5–12 cm;

bracts persistent, enfolding and falling with fruit, 3–4.2 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.

0.5–3.5(–5.5) cm.

(1.5–)3–12(–15) cm.

9, 6.3–9.4 mm, filaments distinct to 2.2–3.5 mm, anthers 0.8–1.2 mm.

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

white; papilionaceous;

banner 5.7–7 mm, blade broadly ovate, 3.6–4 × 3.2–4.2 mm, proximal lobes connate, forming obconic pit; epistemonous petals attached near or proximal to middle of stamen tube;

wings 2.7–3.4 × 1.4–2 mm;

keel connate valvately, blades (4.5–)4.8–5.8 × 2.6–3 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, opening oblique, 6.2–7.6 mm, silky-pilosulous;

tube 3–3.5(–3.7) mm, with 3 or 4 inconspicuous glands between ribs, lobes triangular-aristate, becoming plumose.

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.

3–3.7 mm, pilosulous and, sometimes, gland-dotted distally.

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

2.4–2.8 mm.

1.7–2.4 mm.

herbs, erect, glabrous proximal to inflorescences.

leaves 1.3–2.6 cm;

leaflets (3–)7–11(or 13), blades narrowly oblanceolate or elliptic, 4–11(–12) mm.

leaves 2–9.5 cm;

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

herbs, erect, glabrous proximal to inflorescences.

= 14.

= 14.