Flora of North America species comparison

1.3–3(–4) dm, eglandular or with scattered small glands.

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

spikes, relatively loosely flowered, not involucrate, 14–17 mm diam.;

axis partially visible, 1–5 cm;

bracts deciduous near anthesis, 4–6.5 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.

usually absent, rarely to 1 cm.

0.4–4 cm.

10, 9.5–11.5 mm, filaments distinct to 2.5–3 mm, anthers (0.7–)0.8–1 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.

yellow, rarely brownish in age; papilionaceous;

banner 5–6.2 mm, blade deltate-cordate, 2.8–3.3 × 3–3.8 mm; epistemonous petals attached near middle of stamen tube;

wings 3.6–5 × 2.2–2.8 mm;

keel connate valvately, blades 5.2–6.4 × 3.6–4 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, recessed opposite banner, (5.1–)5.5–7.8 mm, pilosulous to pilose;

tube 2.4–3 mm, with 2 or 3 small glands between ribs, lobes lanceolate-aristate.

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 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

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

2.2 mm.

1.8–1.3 mm.

herbs, decumbent to ascending, strigulose.

herbs, prostrate, densely to sparsely pilosulous or glabrous.

leaves 1.5–4.5 cm;

leaflets 3, blades linear-elliptic to linear, 8–30(–35) mm.

leaves 1–3 cm;

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