Flora of North America species comparison

prostrate, silvery-pilose.

decumbent, tips ascending, 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.

(1.5–)3–7 cm;

stipules connate at proximal nodes, connate to 1/2 their length at distal nodes, 1.5–4 mm, membranous becoming papery;

leaflets 9–19, blades oblong-obovate, elliptic, or linear-oblong, 2–10 mm, apex obtuse or emarginate, surfaces pubescent abaxially, glabrate adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(5–)7–25-flowered;

axis 1.5–9 cm in fruit;

bracts 0.5–1.5 mm;

bracteoles 0.

0.5–2.5 cm.

incurved-ascending, 3–10 cm.

1–3.5 mm.

0.5–1.5 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.

5.2–7.7 mm;

calyx marcescent, 3.5–4.7 mm, strigulose, hairs white, sometimes also black, tube 2–3.2 mm, lobes subulate, 1–1.6 mm;

corolla whitish tinged with dull lilac;

banner recurved through 65–90°;

keel 5–6.5 mm.

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

persisting and dehiscent on plant, green, sometimes also purple, becoming stramineous, strongly curved downward, linear-oblong or linear-ellipsoid, bluntly 3-sided compressed, 13–25 × 2.3–3 mm, incompletely bilocular, papery, finely strigulose;

valves inflexed as nearly complete septum 0.7–1.5 mm wide;

stipe 0–0.7 mm.

6–10.

12–18.

= 22.