Flora of North America species comparison

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

(2.5–)3–5.5 dm, glandular-tuberculate.

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 obviously involucrate, (8–)9–11 mm diam.;

axis partially visible at anthesis, (1.5–)2–9(–14) cm;

bracts deciduous, 3–5(–6) mm.

0.5–3.5(–5.5) cm.

(2.5–)4–16(–20) cm.

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

5, 5.5–8.5 mm, filaments distinct to 3–5.1 mm, anthers 1.1–1.5 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.

usually rose-purple, rarely white;

not conventionally papilionaceous;

banner 5.3–7.2 mm, blade ovate to ovate-triangular or -oblong, 2.8–3.7 × 2.2–3.4 mm; epistemonous petals attached at separation of filaments, blades (2.7–)3–4.1 × (0.9–)1.1–1.6 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.

asymmetric, deeply recessed opposite banner, opening oblique, (3.2–)3.5–4.6(–4.8) mm, glabrous or pilosulous proximally, pilosulous distally;

tube 2–2.8 mm, with (0 or)2–4 small, pale blister glands between ribs, lobes lanceolate-subulate or adaxial pair triangular-ovate.

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

3.2–4 mm, pilosulous to ± glabrous distally and gland-dotted.

2.4–2.8 mm.

2–2.8 mm.

herbs, erect, glabrous proximal to inflorescences.

herbs, erect, pilosulous throughout or glabrous proximal to inflorescence.

leaves 1.3–2.6 cm;

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

leaves 2–5.5 cm;

leaflets 5 or 7(or 9), blades flat or folded, oblanceolate to obovate, 7–20 mm, surfaces glandular-tuberculate abaxially.

= 14.