Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

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

mostly reduced to phyllodia, few with leaflets, 0.8–10 cm;

stipules connate-sheathing throughout, 2–7 mm, papery-scarious;

leaflets 0(or 3–5), blades (phyllodia) oblanceolate to linear, 4–30 mm, apex acute, mucronate, or spinulose, surfaces strigose;

terminal leaflet often confluent with rachis.

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.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 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, outer ones often prostrate in fruit, 0.4–9 cm.

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

0.3–1.7 mm.

1–3.5 mm.

5.7–9.5 mm;

calyx 2.6–5 mm, strigose, tube 1.9–3.4 mm, lobes subulate, 0.5–2.5 mm;

corolla pink purplish to ochroleucous or whitish;

banner recurved through 45°;

keel 4–6 mm.

(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.

erect, pale green tinged purple, with red-mottle, becoming brown or stramineous, straight or slightly curved, lanceoloid to lanceoloid-oblong, 2-sided, laterally compressed, 4–13 × 1.5–3.3 mm, papery, usually strigose, rarely glabrous;

sessile.

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.

4–12.

5–15.

= 24.