Flora of North America species comparison

erect or incurved-ascending, diffuse, glabrous or glabrate.

prostrate, internodes mostly concealed by stipules, villous-tomentose.

3.5–15 cm;

stipules 2–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–25, blades obovate, suborbiculate, obcordate to oblong, narrowly elliptic, lanceolate, or linear, 6–28 mm, apex retuse-emarginate to rounded, obtuse, acute, or truncate, sometimes apiculate, surfaces glabrous, hairs sometimes on margins or midrib.

1.5–4.5(–6.5) cm;

stipules 2–6 mm, membranous;

leaflets 7–11(or 13), blades usually obovate-cuneate, rarely elliptic, 2–7(–9) mm, apex obtuse or acute, surfaces villous-tomentose.

3–24-flowered, flowers ascending;

axis 1–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

3–8-flowered, flowers ascending;

axis 0.3–1.6 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

erect-ascending, 2–15 cm.

decumbent in fruit, 0.3–3(–4.5) cm.

1–5.5 mm.

1–2.5 mm.

14–24 mm;

calyx purple, 6.4–12.3 mm, sparsely strigose, tube 5.1–9.7 mm, lobes subulate, 1.3–2.6 mm;

corolla pink-purple, bicolored, or white to pale greenish yellow and, sometimes, modestly suffused with purple;

banner recurved through 40–45°;

keel (11.1–)11.5–19 mm, apex blunt.

(11–)11.5–13.3 mm;

calyx cylindric or deeply campanulate, 7.5–8.9 mm, white-villous, tube 5.3–6.4 mm, lobes subulate, 1.4–2.5(–3) mm;

corolla whitish, keel tip pink or purple;

banner recurved through 40°;

keel 9.5–10.7 mm.

dehiscent on plant, erect to ascending, green or red-dotted becoming stramineous, straight or slightly incurved, cylindroid, ellipsoid, ovoid, or oblong-ellipsoid, inflated, 12–34 × 6–13 mm, unilocular, stiffly papery to leathery, glabrous or puberulent;

stipe 0–7 mm.

ascending (humistrate), brownish stramineous, incurved, obliquely ovoid, obcompressed, 8–15 × 4.5–6.5 mm, unilocular, fleshy becoming stiffly papery, villous-tomentulose, hairs to 1 mm.

20–44.

11–14.