Flora of North America species comparison

prostrate or decumbent to ascending, densely villous-tomentose.

obscured by marcescent leaf bases and stipules.

5–14 cm;

stipules distinct, 3–6 mm, herbaceous becoming membranous;

leaflets (7–)15–21, blades oval-obovate, 6–17 mm, apex obtuse to subacute, surfaces villous-tomentose.

reduced to phyllodia, 0.4–2.5 cm;

stipules connate-sheathing, 3–6 mm, membranous;

phyllodia oblanceolate or spatulate, 4–25 mm, apex acute or apiculate, surfaces strigose.

(10–)20–40-flowered, flowers spreading;

axis (1–)1.5–12 cm in fruit;

bracts 2–5 mm;

bracteoles 0.

1–4-flowered;

axis 0–0.5 cm in fruit;

bracts 0.4–1.8 mm.

erect or incurved-ascending, 5–12 cm.

erect or ascending, (0.5–)1–3 cm.

0.5–1 mm.

0.5–1.8 mm.

9–12 mm;

calyx broadly campanulate, 6.6–7.8 mm, silky-villous, tube 3.9–4.5 × 3.5–4.1 mm, lobes narrowly subulate, 2.7–3.5 mm, somewhat accrescent, covering most or all of mature legume;

corolla pale yellow, drying ochroleucous, pubescent abaxially;

banner recurved through 50°;

keel 7.1–8.2 mm, apex obtuse-deltate.

10.6–12 mm;

calyx 4.5–7 mm, prominently veined in fruit, strigose, tube 3–4.1 mm, lobes broadly subulate, 1.3–3 mm;

corolla pink-purple;

banner recurved through 45°;

keel 7–9.6 mm.

spreading or somewhat declined, straight, obliquely ovoid, obscurely 3-sided compressed, 4.5–6 × 3 mm, stiffly papery, tomentulose, hairs 1+ mm; contracted basally into pseudostipe, 0.4–0.6 mm.

ascending, green or red-mottled becoming stramineous or brown, slightly curved, narrowly ovoid-ellipsoid to lanceoloid-ellipsoid, laterally compressed, 6–13(–15) × 2–5 mm, papery, glabrous or glabrate;

sessile.

6–8.

11–14.