Flora of North America species comparison

prostrate to ascending, 0–11 cm, internodes often concealed by white-hairy stipules and dense white hairs, villous-tomentulose.

erect-ascending, 1–7 cm, internodes mostly concealed by imbricate stipules and marcescent leaf remains, strigulose.

2–15 cm;

stipules sometimes shortly connate-sheathing at proximal nodes, 1.5–5.5 mm, submembranous becoming papery-scarious;

leaflets 13–25, blades elliptic or ovate, 2–16 mm, apex usually acute, sometimes obtuse, surfaces silvery-villous.

(2–)5–17 cm;

stipules 2–7 mm, submembranous;

leaflets 7–19(–23), blades obovate, ovate, elliptic, or suborbiculate, 3–21 mm, apex usually obtuse or retuse and mucronate, rarely abruptly cuspidate-acuminate, surfaces strigose or glabrous abaxially, glabrous adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

1–7(or 8)-flowered, flowers ascending;

axis 0.2–2.5 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

0.5–15 cm.

0.5–6(–7) cm, together with racemes shorter than leaves.

1–3 mm.

3.5–8 mm.

18–26 mm;

calyx cylindric, 8.3–18 mm, villous, tube 6.5–13.5 mm, lobes subulate, 1.5–5.7 mm;

corolla often pink-purple, sometimes pale;

banner recurved through 40°;

keel concealing style, 14.6–18.6(–19) mm.

15–23(–26) mm;

calyx cylindric, (7–)8.5–13.5(–16) mm, strigulose, tube (5.2–)6–10 mm, lobes subulate or lanceolate-subulate, 1.8–4.5(–6) mm;

corolla pink-purple or white with pale pink veins;

banner recurved through 45°;

keel 11.5–17.5 mm.

ascending, brightly purple-mottled, usually curved, obliquely ovoid-oblong, dorsiventrally compressed, ventrally grooved proximally, 15–35 × 5.5–12 mm, unilocular, fleshy becoming somewhat woody, strigose or villosulous.

appearing radical, forming ring on ground beneath tufted foliage, ascending, greenish, brightly mottled reddish purple, becoming brownish stramineous, straight or slightly incurved, symmetrically or somewhat obliquely ellipsoid or ovoid-ellipsoid, bladdery-inflated, 35–70(–90) × 15–45 mm, papery, surface lustrous, sparsely strigulose;

gynophore 2–4 mm.

24–30.

38–54.