Flora of North America species comparison

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

decumbent to prostrate, 5–8 cm underground, villosulous.

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–)3–9.5 cm;

stipules connate-sheathing and scarious at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (7–)11–19, blades broadly or narrowly cuneate, obovate-cuneate, or oblanceolate, 4–20 mm, apex retuse, surfaces villosulous abaxially, strigose to glabrescent adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

10–30-flowered;

axis 2.5–10 cm in fruit;

bracts 1–3(–4.5) mm;

bracteoles 2.

ascending, (1–)2–15(–20) cm.

incurved-ascending, 3–10(–12.5) cm.

0.6–2.5 mm.

1.5–4.3 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.

14–17(–18) mm;

calyx ovoid-campanulate to subcylindric, gibbous behind pedicel, 9.5–12.3 mm, villosulous or villous-tomentulose, tube 7.6–9.8 mm, lobes triangular, 2.3–3.7 mm;

corolla dull yellow;

banner strongly recurved or recurved through 90°;

keel 12–15 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.

pendulous (or humistrate, apparently ascending), green or purple-mottled becoming stramineous, incurved through 0.5 spiral, lunately or falcately oblong, narrowly oblong-ellipsoid, or linear-oblong, laterally compressed, bicarinate by sutures, 22–30 × (4–)4.5–8 mm, fleshy becoming woody, villosulous or glabrous;

stipe (7–)10–22 mm.

42–70.

18–30.