Flora of North America species comparison

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

(2.5–)3–7 dm, eglandular or sparsely glandular-punctate or -verruculose.

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, loosely flowered, not involucrate, 6–8 mm diam.;

axis visible, (1–)1.5–7.5(–9) cm;

bracts persistent, 2.6–4 mm.

0.5–3.5(–5.5) cm.

0.4–4 cm.

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

(5–)8–10 (sometimes only 5 functional), 6.5–8.5 mm, filaments distinct to 1.9–2.9 mm, anthers 0.4–0.6 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.

red-violet to magenta or purple;

not conventionally papilionaceous;

banner 2.8–4.3 mm, blade ovate-cordate, ± peltate, ± cucullate, 1.8–3.1 × 1.8–2.8 mm; epistemonous petals attached near middle of stamen tube, blades 2–3.8 × 1.5–2.2 mm.

± 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.

subsymmetric, 3.3–4.5(–4.8) mm, villosulous throughout or on lobes;

tube 1.8–2.5 mm, with 1–4 glands between ribs, lobes triangular to lanceolate, ovate-acuminate, or -apiculate.

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

2.5–3.1 mm, pilosulous distally and dotted with small glands.

2.4–2.8 mm.

1.8–1.3 mm.

herbs, erect, glabrous proximal to inflorescences.

herbs, prostrate, densely to sparsely pilosulous or glabrous.

leaves 1.3–2.6 cm;

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

leaves 1–3 cm;

leaflets 9–15, blades obovate to broadly oblanceolate, 3–10(–12) mm.

= 14.