Flora of North America species comparison

prostrate or decumbent, 0–7 cm underground, hirsute.

strigulose-canescent.

(1.5–)3–10(–12) cm;

stipules rarely connate at proximal nodes, 2–8.5 mm, mostly thinly herbaceous, sometimes papery at proximal nodes;

leaflets (3–)7–15, blades thin, obovate, broadly oblanceolate, or suborbiculate, (2–)5–22 mm, larger ones pinnately veined, apex cuneate to emarginate, surfaces villous-pilose abaxially, glabrous adaxially.

1–4(–6) cm;

stipules 1.5–4.5 mm, subherbaceous becoming papery;

leaflets 7–11(–17), blades elliptic to obovate, 1.5–10 mm, apex acute to obtuse, surfaces strigose.

densely (5–)8–24-flowered;

axis 1–3(–4) cm in fruit;

bracts (2–)2.5–5 mm;

bracteoles 0.

1–4-flowered, flowers ascending;

axis 0–8 mm in fruit;

bracts 1.2–3 mm;

bracteoles 0–2.

incurved-ascending, (2–)3–11 cm.

divaricate or incurved-ascending, 0.8–4.5 cm.

0.7–2.5 mm.

0.7–4 mm.

8.8–11.2 mm;

calyx 5.5–7.8(–8.2) mm, pilose, tube 2.7–3.7 mm, lobes lanceolate to lanceolate-attenuate, (2.7–)3–4.5(–5) mm;

corolla pale yellow to greenish ochroleucous, fading yellowish, keel immaculate;

banner recurved through 50–80°;

keel 7.2–9.7 mm, apex narrowly deltate, acute or subacute, often beaklike.

6–8 mm;

calyx 3.7–5.5 mm, strigulose, tube 1.5–2.8 mm, lobes subulate, 1.9–3 mm;

corolla pink-purple;

banner recurved through 80°;

keel 6–7.4 mm.

ascending or spreading (humistrate), pale yellow green becoming stramineous then brownish, incurved or ± straight, slenderly lunate-ellipsoid or semi-ellipsoid, bluntly 3-sided compressed, (15–)17–25 × (2.8–)3.2–5.2 mm, subunilocular, thinly fleshy becoming stiffly papery, densely hirsute, hairs spreading-ascending, to 1.2–1.8 mm, lustrous white;

gynophore to 0.8 mm.

spreading-ascending, purple-mottled becoming stramineous, incurved, obliquely oblong, 3-sided and laterally compressed, 8–10 × 3–4 mm, papery, strigulose, hairs often contorted;

gynophore 0–0.8 mm.

12–18.

7–10.