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, glabrous or sparsely villous.

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.

(3.5–)5–12(–16) cm;

stipules 4–15 mm, submembranous;

leaflets (13–)19–27(–37), blades ovate, lanceolate-oblong, or oblong-obovate, (3–)5–22 mm, midrib prominent, pubescent abaxially, apex truncate and apiculate, retuse, obtuse, or subacute, surfaces glabrous or sparsely villous abaxially, glabrous adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

(10–)15–40-flowered;

axis (1–)2–4.5 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

0.5–15 cm.

erect, 5–13 cm.

1–3 mm.

0.6–1.8 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.

9.1–11 mm;

calyx 6.6–9 mm, sparsely villous-villosulous, tube 3.2–4.3 × 2.4–3 mm, lobes linear to lanceolate-acuminate, 3.3–4.9 mm;

corolla white, immaculate;

banner recurved through 45°;

keel 7–7.4 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.

declined, stramineous or brown, slightly incurved, obliquely lanceoloid, 3-sided compressed, grooved dorsally, 11–15 × 3–3.4 mm, papery, villosulous, hairs 1+ mm;

septum 1.5–2.2 mm wide;

stipe 0.3–0.4 mm.

24–30.

8 or 9.