Flora of North America species comparison

prostrate, silvery-pilose.

ascending or prostrate, finely 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.

2.5–7 cm;

stipules 1.5–3 mm, herbaceous becoming papery at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–21, blades oblong-obovate to linear-oblong or -elliptic, 2–10 mm, apex obtuse to subacute or retuse, surfaces strigulose abaxially, strigulose, glabrous, or glabrate adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

5–15-flowered;

axis 1–8 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

0.5–2.5 cm.

ascending, 1.5–8(–10) cm.

1–3.5 mm.

0.8–1.7 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.

6.5–10 mm;

calyx 3.4–4.8 mm, strigose, tube 2.2–2.8 mm, lobes lanceolate-subulate, 0.9–2.2 mm;

corolla yellowish, yellowish white and lightly tinged rose, or greenish ochroleucous, banner violet-veined;

banner recurved through 45–85°;

keel 4.6–6.4 mm.

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

pendulous, brown or stramineous, lunate, lanceoloid-ellipsoid, 3-sided compressed, 12–25 × 2.6–4 mm, papery, strigulose-villosulous;

septum 1.3–2.4 mm wide;

stipe 2.5–5 mm.

6–10.

11–16.