Flora of North America species comparison

prostrate, silvery-pilose.

decumbent to ascending, villous-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.

3–8.5 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, submembranous at distal nodes, (1.5–)2–6.5 mm;

leaflets 13–21, blades narrowly oblong- or cuneate-oblanceolate, (4–)6–20(–23) mm, apex truncate-retuse to obtuse, surfaces usually villosulous, sometimes glabrescent or glabrous adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(10–)15–25(–30)-flowered, 1 per leaf axil;

axis 3–10.5 cm in fruit;

bracts (1.5–)2–5 mm;

bracteoles 0–2.

0.5–2.5 cm.

erect or incurved-ascending, (3–)6–14 cm.

1–3.5 mm.

1.3–3.5 mm, densely villous.

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.

(11.5–)13–17.4 mm;

calyx campanulate, obliquely cuneate, 6.4–9.7 mm, silky-villous, hairs white, sometimes also black, tube 5.2–7 × 3.5–4.5 mm, lobes triangular, 0.9–3 mm;

corolla ochroleucous or yellowish, immaculate;

banner recurved through 45°;

keel (9.5–)10.1–12.4 mm, apex sharply deltate.

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

green and purple-mottled becoming brown or stramineous, straight or slightly curved, linear-oblong, strongly laterally compressed, 27–43 × 3.4–5, thinly fleshy becoming papery, strigulose or glabrous;

stipe 8–14 mm.

6–10.

(15–)19–25(–27).