Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

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.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 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.

(2–)4–11 cm.

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

0.6–1.5 mm.

0.5–2.2 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 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.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

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.

12–16.

14–22.

= 16, 26.