Flora of North America species comparison

prostrate, silvery-pilose.

indistinctly flexuous (if at all), spreading to prostrate, sparsely 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–)5–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets 5–11, blades linear, linear-oblanceolate, -elliptic, or filiform, (2–)5–25 mm, apex acute to subacute, surfaces strigulose;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(3–)5–15(–22)-flowered, 1 per leaf axil;

axis (1.5–)2–10 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0–2.

0.5–2.5 cm.

divaricate and incurved, (2–)4–20 cm.

1–3.5 mm.

0.6–1.5 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.

9.4–12.2 mm;

calyx subcylindric to campanulate, 3.5–5 mm, strigulose, hairs black and white, tube 3–4 × 2.3–2.8(–3.1) mm, lobes triangular, 0.6–1 mm;

corolla pinkish red, with darker red veins, keel and wings buff-yellow, banner white-tipped;

banner recurved through 35–45°;

keel incurved through 40–85°, blades longer than claws, 8.2–10 mm, apex obtuse and beaklike.

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

brown or stramineous, sometimes initially mottled, straight or slightly curved, linear-oblong or linear-lanceoloid, strongly laterally compressed, 15–35 × 3–4 mm, thinly fleshy becoming leathery, strigulose or if glabrous then mottled;

stipe (4–)6–14 mm.

6–10.

13–17.