Flora of North America species comparison

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

internodes to 1(–1.5) cm or concealed by stipules, 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.

3–10(–12.5) cm;

stipules 2.5–8 mm, membranous;

leaflets 9–25, blades elliptic, ovate-oblong, or oblanceolate, 3–16 mm, apex obtuse or subacute, surfaces strigulose abaxially, glabrous adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

loosely (4–)6–18-flowered, flowers ascending;

axis (0.5–)1–4 cm in fruit;

bracts 2–7 mm.

ascending, (1–)2–15(–20) cm.

ascending, prostrate in fruit, (1.5–)3–11(–14) cm.

0.6–2.5 mm.

1–3.5 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.

18.5–23 mm;

calyx broadly cylindric, 10–14 mm, strigulose, tube 7.9–11.6 mm, lobes subulate or triangular-subulate, 1.3–3(–4) mm;

corolla purple;

banner recurved through 40°;

keel 14.5–19 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.

ascending (humistrate), purple-mottled, somewhat incurved, narrowly oblong-ellipsoid or somewhat clavate-ellipsoid, obtusely 3-sided compressed, (17–)20–38 × 5–8 mm, bilocular, fleshy becoming stiffly papery or leathery, strigulose.

42–70.

28–38(–43).

= 22.