Flora of North America species comparison

1.5–4(–5) dm, sparsely glandular-punctate.

(0.5–)1–3.5 dm, nearly eglandular.

spikes, densely flowered, not involucrate, 7–12 mm diam.;

axis not visible, 0.5–2.5 cm;

bracts persistent through anthesis, 1.5–4.5 mm.

spikes, densely to loosely flowered, not involucrate, 7–13(–15) mm diam.;

axis not to partially visible, 0.5–4(–5) cm;

bracts deciduous at anthesis or later, 2.5–5.5 mm.

2.5–18 cm.

0–3.5 cm.

5, 6–8.5 mm, filaments distinct to 2.5–4.8 mm, anthers 0.8–1 mm.

10, (6–)6.4–10 mm, filaments distinct to 1.1–2.3 mm, anthers 0.4–0.7 mm.

pink;

not conventionally papilionaceous;

banner 4.6–5.8 mm, blade ovate, 2.2–2.5 × 1.5–2.8 mm; epistemonous petals attached at separation of filaments, blades 2.7–3.1 ×1–1.3 mm.

clear yellow, purplish or brownish in age; papilionaceous;

banner (4–)4.4–5.5 mm, blade suborbiculate-cordate to reniform, 1.5–3.2 × (1.5–)2–3.6 mm; epistemonous petals attached near or distal to middle of stamen tube;

wings 2.1–3.7 × 0.9–1.8 mm;

keel connate valvately, blades 2.9–4.8 × 1.6–2.8 mm.

subsymmetric, 3–5.2 mm, silky-pilosulous, base with subappressed and retrorse hairs;

tube 2–3.1 mm, with 0 glands between ribs, lobes subulate or adaxial pair triangular-ovate.

subsymmetric, 4.5–6.5(–7.5) mm, densely pilose;

tube 1.9–2.7 mm, with 3 or 4 small glands between ribs, lobes triangular-aristate, becoming plumose.

3.6 mm, glabrous or apically pilosulous, eglandular.

2.5–3 mm, distally with 2 rows of ascending hairs on either side of a glabrescent row, eglandular.

apparently unknown.

1.8–2.2 mm.

herbs, erect, glabrous or sparsely pilosulous.

herbs, prostrate, diffusely spreading, or erect, silky-pilosulous.

leaves 1.5–3.5 cm;

leaflets 3 or 5, blades linear, 6–15 mm.

leaves 1–2.5(–3) cm;

leaflets (3 or)5(or 7), blades obovate to olanceolate, 3–15 mm, surfaces inconspicuously glandular-punctate abaxially.