Flora of North America species comparison

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

many, decumbent, glabrous or sparsely 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.

3–7 cm;

stipules 2.5–5 mm, membranous or membranous-margined;

leaflets 13–25(–29), blades oblanceolate or obovate-cuneate, 6–16 mm, apex retuse or apiculate, surfaces glabrous (except midrib sparsely strigose) 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.

5–7-flowered, flowers ascending;

axis 1.5–2 cm in fruit;

bracts 2–4 mm;

bracteoles 2.

ascending, (1–)2–15(–20) cm.

reclined in fruit, 2–6 cm.

0.6–2.5 mm.

1.5–5 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.

16–23 mm;

calyx short-cylindric, 9.5–11 mm, strigulose, tube 5.5–6.5 mm, lobes linear-subulate, 3.5–4.5 mm;

corolla whitish;

keel 12–13 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), stramineous, slightly incurved, obliquely oblong-ovoid, obcompressed, 20–40 × (9–)11–19 mm, bilocular, fleshy becoming woody, glabrous;

septum 3–4 mm wide;

stipe 5–20 mm.

42–70.

26–28.