Flora of North America species comparison

usually prostrate or weakly ascending, sometimes erect, 0–20 cm, internodes often concealed by stipules, densely strigose-strigulose.

obsolete, ascending, or prostrate, radiating from root-crown, to 3 cm, internodes mostly obscured by leaf bases, silky-strigose to strigulose.

2–13 cm;

stipules sometimes connate-sheathing at proximal nodes, 2–13 mm, submembranous becoming papery;

leaflets (1–)5–21, blades elliptic to obovate or oblanceolate, 3–20 mm, apex obtuse to acute, surfaces strigose.

(1.5–)2.5–10 cm;

stipules 3–7 mm, submembranous;

leaflets 7–13, blades obovate-cuneate or elliptic-oblanceolate, 3–12 mm, apex obtuse or subacute, surfaces strigulose.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

2–10-flowered, flowers ascending;

axis 0.1–1.5 cm in fruit;

bracts 1.5–5.5 mm;

bracteoles 0(–2), exceptionally conspicuous.

ascending, (1–)2–15(–20) cm.

ascending, 0.5–3(–5) cm.

0.6–2.5 mm.

10.3–27(–28) mm;

calyx usually purplish, cylindric, campanulate, or cylindro-campanulate, 6.3–14.2 mm, strigose, tube (3.4–)5.8–13.2 mm, lobes subulate, 1.1–3.7(–4.5) mm;

corolla usually pink-purple, rarely white;

banner recurved through 40°;

keel 8–23.6 mm.

(14.5–)15–18.5 mm;

calyx cylindric or vase-shaped, 6–10.5 mm, strigulose, hairs black or white, tube 6.5–8 mm, lobes subulate, 1.3–2.5 mm;

corolla white, whitish, or ochroleucous;

banner recurved through 40°;

keel 8.3–14.3 mm.

readily deciduous, ascending, green, sometimes mottled, usually incurved, crescentic, mostly dorsiventrally compressed, 15–40 × 5–12 mm, unilocular, distinctly beaked, fleshy becoming stiffly leathery or subligneous, walls much less than 1 mm thick, strigose.

spreading-ascending (humistrate), green or purplish becoming brownish or stramineous, scarcely to moderately incurved, obliquely ovoid, lanceolate-ovoid, or lunately ellipsoid, obcompressed becoming laterally compressed distally, 9–20(–22) × 4–8 mm, unilocular, distinctly beaked, leathery, walls much less than 1 mm thick, densely strigulose.

42–70.

18–33.