Flora of North America species comparison

prostrate, silvery-pilose.

erect or ascending, sparsely to densely strigulose.

1–4 cm;

stipules 2–8 mm, hyaline, densely pilose abaxially;

leaflets usually 3, rarely 5, blades narrowly to broadly oblanceolate or obovate-cuneate, 3–13 mm, apex subacute, surfaces silvery-pilose.

(3–)4.5–18 cm;

stipules 3–11 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–25, blades ovate, oblong, elliptic, or narrowly oblong to linear, 5–26 mm, apex obtuse to retuse, surfaces strigose abaxially, usually glabrous adaxially, sometimes glabrate.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(7–)10–26(–30)-flowered, flowers ascending to declined;

axis 4–10(–15) cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

0.5–2.5 cm.

erect, (1.5–)2.5–17(–35) cm.

1–3.5 mm.

spreading in fruit, 0.7–3.5 mm.

5–6.2(–8) mm;

calyx campanulate, 2.4–4.2 mm, densely pilose, tube 2–3 mm, lobes triangular-subulate, 1–1.2 mm;

corolla pink-purple or white, often drying yellowish;

banner recurved through 90°;

keel 4–4.5 mm, apex bluntly deltate.

12–20 mm;

calyx short-cylindric, 5.4–9.5 mm, strigose, tube 4.4–8 mm, lobes triangular to subulate, 0.7–2.6 mm;

corolla ochroleucous, tinged pink, purplish, pink-purple, or red-violet, keel maculate or immaculate;

banner recurved through 45°;

keel 9.4–14.4 mm.

ascending or recurved, ovoid-ellipsoid, slightly compressed, 3–4.5 × 2 mm, papery, densely silky-strigose or silky-pilose.

usually erect, rarely deflexed, green or suffused or speckled with purple becoming brownish stramineous, oblong to ellipsoid, 3-sided compressed, grooved dorsally, keeled ventrally, 12–27(–30) × 3.5–8(–9) mm, base cuneate, ± bilocular, fleshy becoming thinly or stiffly leathery, glabrous;

septum 0.5–1.2 mm wide;

stipe 6–15(–17) mm.

6–10.

17–32.

= 22, 24.