Flora of North America species comparison

erect or ascending, glabrate to densely strigulose.

often erect or ascending, sometimes decumbent, diffuse, or spreading, strigulose or glabrous.

2.5–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 2–5 mm;

leaflets (5–)9–23, blades linear to narrowly elliptic or oblong, 3–25(–30) mm, apex obtuse to truncate, retuse, or subacute, surfaces usually glabrous, sometimes strigose.

3–13.5 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2.5–10(–12) mm, submembranous becoming scarious, pallid;

leaflets (7–)11–35, blades lanceolate-oblong to oblong, elliptic, or oblanceolate, 5–27(–32) mm, apex usually acute or obtuse, rarely emarginate, surfaces strigulose abaxially, glabrous or glabrate adaxially.

(4–)6–30-flowered, 1 per leaf axil;

axis 4–22 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0.

(15–)25–80-flowered;

axis 3–25 cm in fruit;

bracts (1–)2.5–7 mm;

bracteoles 0–2.

erect or ascending, 4.5–22 cm.

erect, ascending, or incurved, 2.5–13 cm.

1.5–6 mm.

1–3.5 mm.

10–14.3(–15) mm;

calyx subcylindric to campanulate, 4–7.7 mm, strigulose, hairs black and white, tube 3.3–6.4 × 2.4–3.5(–4.4) mm, lobes triangular, 0.5–1.5 mm;

corolla whitish to ochroleucous, keel immaculate or bright yellow;

banner recurved through 50–85°;

keel abruptly incurved through 95–120°, blades about as long as claws, (6.7–)7.6–10(–12) mm, apex deltate or triangular.

(6.7–)8–17.5 mm;

calyx obliquely campanulate, gibbous-saccate, 3.5–9.6 mm, sparsely strigose, tube 2.8–5.7(–7) mm, lobes subulate, (0.7–)1–4.5(–6) mm;

corolla ochroleucous, white, whitish, or pink-purple, keel tip often maculate, sometimes purple;

banner recurved through 45° (except 90° in var. nevadensis);

keel 7–13 mm.

pale green, not mottled, not stramineous, straight, oblong to ellipsoid, strongly laterally compressed, 17–30(–35) × (3–)3.5–6.5 mm, papery, glabrous or strigulose;

stipe 6–16 mm.

stramineous, straight or slightly curved, linear, ellipsoid, or oblong-ellipsoid, dorsiventrally compressed, abaxial face with suture forming prominent ridge flanked by depressed grooves, adaxial face convexly rounded, (5–)6.5–17(–20) × 2–4.5 mm, fleshy becoming thinly leathery or papery, strigulose or glabrous;

stipe 1.4–5.2(–6) mm.

11–22.

5–15.

= 22, 24.