Flora of North America species comparison

prostrate, silvery-pilose.

decumbent or weakly ascending, strigulose-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.

4–9 cm;

stipules distinct, 2–4 mm, submembranous;

leaflets (11–)15–19(–23), blades oval, elliptic-obovate, or broadly oblanceolate, (4–)5–18 mm, apex obtuse or shallowly retuse, surfaces pubescent abaxially, glabrescent adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

loosely 5–9-flowered, flowers ascending becoming declined;

axis 1.5–5.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

0.5–2.5 cm.

incurved-ascending, (3–)4–6.5 cm.

1–3.5 mm.

2–4 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.

9.5–11 mm;

calyx campanulate, 6.7–7.8 mm, loosely strigulose, tube 3.7–3.9 mm, lobes slenderly subulate, 2.8–4 mm;

corolla greenish white, often tinged or veined dull lilac;

banner abruptly recurved through 90°;

keel 7.8–8.9 mm, apex triangular, subacute, often obscurely beaklike.

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

loosely spreading, declined, or ascending, pale green and purple-cheeked becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 25–40 × 13–17 mm, thin, translucent, lustrous, glabrous or strigulose.

6–10.

(27–)30–39.