Flora of North America species comparison

usually erect or ascending, sometimes decumbent, rarely prostrate, usually sparsely strigulose, sometimes pilosulous.

decumbent, with ascending tips, silvery green hairy.

2–9 cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous or submembranous at distal nodes, usually black or blackish when dry, 1.5–7 mm;

leaflets 11–21, blades narrowly oblong to elliptic, linear, oblanceolate, or obovate, 3–24 mm, apex acute to obtuse, mucronate, or emarginate, surfaces sparsely strigose abaxially, glabrous adaxially.

3–5.2 cm;

stipules triangular, 1–4.5 mm, papery;

leaflets: terminal ones jointed, blades flat, oval to obovate, (5.7–)8–9.3(–15) × (4.5–)6–7.5(–12) mm, surfaces strigose.

(1–)3–23-flowered, often paired in leaf axils, flowers ascending;

axis 0.5–11 cm in fruit;

bracts 0.5–2.7 mm;

bracteoles 0–2.

2–7-flowered;

axis 0.5–1.2 cm in fruit;

bracts 1.5–2.5 mm, hyaline;

bracteoles 0.

narrowly ascending or incurved, 0.2–4 cm.

prostrate, 1.3–2.5 cm, shorter than subtending leaf.

0.7–3.2 mm.

2.5–3 mm.

6–9(–11) mm;

calyx 2.6–5.2 mm, strigose, tube 2–2.7 mm, lobes subulate, 0.7–2.5 mm;

corolla usually white to ochroleucous, sometimes pink-purple;

banner recurved through 40°;

keel 4.3–5.7(–6.5) mm.

20–23 mm;

calyx 11.4–12.7 mm, tube 8.7–9.7 mm, lobes subulate, 2.7–3.5 mm;

corolla white tinged pinkish, fading cream.

pendulous, green, often brown- or red-mottled, becoming brown or black, straight or curved, ellipsoid to oblong, laterally flattened, 7–16 × 2.5–4.5 mm, papery, usually glabrous, sometimes strigose;

stipe 0.6–6 mm.

often red-mottled, 37–47 × 23–33 mm (when pressed), hairy;

sessile on thickened gynophore 1.2–1.5 mm.

3–9.

26.

= 16, 24.