Flora of North America species comparison

prostrate or decumbent to ascending, densely villous-tomentose.

erect or ascending, sparsely strigulose.

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.

distally (rarely all) unifoliolate or reduced to phyllodia, 3–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 3.5–5 mm;

leaflets (0 or 1–)3–9, blades obovate or linear, 2–12 mm, apex obtuse to acute, surfaces sparsely strigulose;

terminal leaflet of compound leaves decurrent, not jointed to rachis.

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

axis (1–)1.5–12 cm in fruit;

bracts 2–5 mm;

bracteoles 0.

loosely 3–10-flowered, flowers ascending;

axis 1.5–9(–12) cm;

bracts 2–3 mm;

bracteoles 1 or 2.

erect or incurved-ascending, 5–12 cm.

erect or incurved-ascending, 10–25 cm.

0.5–1 mm.

0.5–3.5 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.

14.6–18(–22) mm;

calyx 5.0–7.8 mm, strigose, tube 3.8–5.3 × 3.7–3.8 mm, lobes subulate, 1.1–2.8 mm;

corolla white, keel tip pink-purple fading dark purple;

keel 11.3–12.3 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.

erect, stramineous, ± straight, narrowly oblong-ellipsoid, slightly compressed laterally, (10–)12–17(–20) × 4.4–6 mm, fleshy becoming woody, glabrous or strigose;

sessile.

6–8.

18–20.