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, ascending, prostrate, or diffuse, 1–13 cm underground, villosulous or loosely strigose.

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.

2–9 cm;

stipules connate-sheathing and scarious at proximal nodes, distinct or connate by a low collar and subherbaceous at distal nodes, 1–7 mm;

leaflets (11 or)13–27(–31), blades obovate to oblanceolate or elliptic, (1.5–)3–14(–15) mm, apex retuse, truncate, or obtuse, surfaces strigulose abaxially, sparsely hairy or glabrous adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

(7–)9–28-flowered, flowers spreading-declined;

axis 1–7 cm in fruit;

bracts 1.5–5 mm;

bracteoles 0–2.

ascending, (1–)2–15(–20) cm.

suberect, incurved-ascending, spreading, declined, or prostrate, 3–9.5(–11) cm.

0.6–2.5 mm.

1.2–4 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.

12.4–15(–18.5) mm;

calyx campanulate, (5–)6–7(–9) mm, strigulose or villosulous, tube 5–6.2 mm, lobes triangular-subulate, 0.5–2.3 mm;

corolla purple or reddish violet, sometimes white-tipped or suffused with purple;

banner recurved through 45°;

keel 9–12(–12.3) 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 to declined, green or purplish becoming stramineous or brown, straight or slightly incurved, oblong, oblanceoloid-ellipsoid, ovoid, obovoid, or ellipsoid, slightly to distinctly inflated, (12–)13–27 × (3–)4–12 mm, cartilaginous becoming stiffly papery, somewhat fleshy opaque, glabrous, strigulose, or villosulous;

stipe (0–)1–4.5 mm.

42–70.

20–34.