Flora of North America species comparison

prostrate, silvery-pilose.

decumbent or ascending, 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.

5.5–15 cm;

stipules distinct, 1.5–8(–12) mm, herbaceous;

leaflets (11–)17–27(or 29), blades oblong-oblanceolate to narrowly elliptic, or obovate, (4–)7–22(–25) mm, apex acute or truncate and apiculate, or shallowly retuse, surfaces villosulous, sometimes sparsely so adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(8–)10–30(–35)-flowered, flowers declined;

axis 3–15(–20) cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

0.5–2.5 cm.

divaricate or incurved-ascending, 3.5–10(–12) cm.

1–3.5 mm.

1–6.4 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.

8.3–11.4 mm;

calyx campanulate, 6.5–8.7 mm, densely villosulous, tube 3.6–4.5 mm, lobes lanceolate or subulate, 2.5–4.3 mm;

corolla pale or greenish yellow;

banner abruptly recurved through 90°;

keel 7.5–9.1 mm, apex sharply triangular, sometimes obscurely beaklike.

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

spreading to declined or ascending, pale green, usually red-cheeked, becoming stramineous, straight, broadly ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 20–40 × 14–20 mm, thin becoming papery, sparsely to quite densely villosulous or strigulose-villosulous, hairs 1+ mm.

6–10.

29–52.