Flora of North America species comparison

5–10 dm, verruculose distally.

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

spikes, densely flowered, obviously involucrate (proximalmost several whorls of bracts subtending rudimentary buds), 11.5–16 mm diam.;

axis not visible, 0.4–0.7 cm;

bracts deciduous, interfloral ones sometimes held in place by crowded flowers, 2–6.5 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.

0–1 cm.

(1.5–)3–12(–15) cm.

10, 7.5–9 mm, filaments distinct to 1.8–2.8 mm, anthers 0.6–0.7 mm.

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

bicolored, banner cream, reddish in age, epistemonous petals pink-purple; papilionaceous;

banner 6–7.5 mm, blade ovate- or deltate-cordate, 2.8–4.2 × 3.4–4.4 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 4.1–5 × 2–2.6 mm;

keel connate valvately, blades 5.2–6.8 × 3–3.5 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, recessed opposite banner, (4.5–)4.8–7.2 mm, densely pilose;

tube 2.4–3.4 mm, hyaline intervals usually with row of inconspicuous blister glands between ribs (or eglandular), lobes triangular-aristate, spurred laterally near proximal end, unequal, abaxial longest.

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.

2.5–3 mm, densely pubescent distally, eglandular.

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

1.5–1.8 mm.

1.7–2.4 mm.

leaves 0.5–1.5 cm;

leaflets 5 or 7(or 9), blades obovate to oblanceolate, 1.5–5 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.