Flora of North America species comparison

prostrate, silvery-pilose.

ascending or decumbent, sparsely villosulous.

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.

2.5–8 cm;

stipules distinct, 2–4 mm, herbaceous;

leaflets 13–21, blades narrowly oblanceolate to oblong-oblanceolate, 4–13(–18) mm, thin, apex often retuse, sometimes obtuse, surfaces sparsely villosulous abaxially, sparsely villosulous or glabrescent adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(1 or)2–7-flowered, flowers ascending becoming declined;

axis 0.5–3.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

0.5–2.5 cm.

incurved-ascending, 2–4.5 cm.

1–3.5 mm.

1–2.5 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.

5.2–6 mm;

calyx campanulate or obconic-campanulate, 3.4–4.2 mm, villosulous, tube 1.7–2 mm, lobes narrowly lanceolate-subulate, 1.4–2.5 mm;

corolla pale lilac, or whitish and tips lilac;

banner recurved through 90°;

keel 3.6–4.3 mm, apex round or narrowly triangular and beaklike.

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

spreading or declined, greenish, sometimes purplish, becoming stramineous, straight or slightly incurved, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 10–22 × 5–14 mm, thin becoming papery-membranous, sparsely strigose-villosulous, hairs spreading, incumbent or curly.

6–10.

18–22.