Flora of North America species comparison

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

erect or ascending, 0.5–2.2 cm underground, 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.

(6–)8–14(–18) cm;

stipules distinct throughout, 3–12 mm, white-papery at proximal nodes;

leaflets 7–15, blades linear, 10–43 mm, apex acute, surfaces strigulose;

terminal leaflet jointed to rachis.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

10–25(–30)-flowered, flowers becoming twisted through 180°;

axis 7–12 cm in fruit;

bracts 1.5–2 mm;

bracteoles 1 or 2.

ascending, (1–)2–15(–20) cm.

8–15 cm.

0.6–2.5 mm.

1–5 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.

(12–)14–18 mm;

calyx campanulate, (4–)7–9 mm, strigose, tube 3.5–7 mm, lobes lanceolate-subulate, (0.5–)1.2–2.5 mm;

corolla lemon yellow, concolorous;

banner recurved through 80–110°;

keel apex bluntly or sharply deltate.

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.

inverted from flexion of pedicels, ascending to erect, green becoming maroon-mottled, oblong-ellipsoid, moderately laterally compressed, 22–30 × 6–9 mm, glabrous;

stipe 12–16(–19) mm.

42–70.

17–27.