Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent or prostrate with ascending tips, silvery-canescent or silvery- to gray-strigulose.

2–15 cm;

stipules 1.5–5 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflet blades linear, linear-oblanceolate, or filiform, 5–30 mm, apex acute, subacute, or, often, mucronate, surfaces silvery-canescent, more densely so adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

2–8(–10) cm;

stipules 2–4 mm, submembranous becoming papery;

leaflets (5–)9–15(or 17), blades linear, linear-oblong, linear-elliptic, narrowly lanceolate, or oval, (1.5–)3–17(–21) mm, apex obtuse to apiculate or acute, surfaces strigulose.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

(7–)10–30-flowered, flowers ascending;

axis (1.5–)2.5–10 cm in fruit;

bracts 0.8–2(–3) mm;

bracteoles 0–2.

erect, 3–25 cm.

erect or divaricate and incurved, (1.5–)2.5–10(–15) cm.

0.7–4 mm.

0.5–2.2 mm.

14.5–26 mm;

calyx 7.9–13.7 mm, strigulose, tube 6.5–10 mm, lobes lanceolate-subulate, 1.5–4.3 mm;

corolla keel 12.8–18.5 mm.

(8.7–)9–12 mm;

calyx (4.5–)5–7 mm, strigulose, tube 3.3–4.1 mm, lobes broadly to slenderly subulate, (1.2–)1.4–3 mm;

corolla pink-purple, wing tips pale or white and ± suffused with greenish yellow, keel maculate;

banner recurved through 50°;

keel 8.2–10.4 mm, apex narrowly triangular, acute, beaklike.

firmly attached to receptacle, falling while still attached to pedicel, stramineous, straight or slightly incurved, obliquely ovoid or plumply oblong, 15–31 × 5–12 mm, fleshy becoming woody, glabrous;

septum (0–)1–2.5(–4) mm wide.

erect or ascending, straight or gently incurved, linear-oblong or linear, obtusely 3-sided compressed, 15–30 × (2.2–)2.5–4.5 mm, thin becoming papery, strigulose.

14–22.

= 16, 26.