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.

prostrate, radiating from crown, strigulose, hirsutulous, or subvillosulous.

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.

1–4.5(–8) cm;

stipules mostly distinct, 1.5–3.5(–5) mm, membranous;

leaflets (7–)11–19(or 21), blades oval-obovate, obcordate, cuneate-oblanceolate, or elliptic-oblanceolate, 2–10(–14) mm, apex obtuse or retuse, surfaces strigulose abaxially, strigulose or glabrous adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

(1 or)2–10-flowered, flowers spreading to declined;

axis (0–)0.3–2.5(–3.5) cm in fruit;

bracts 0.5–1.8 mm;

bracteoles 0 or 1.

0.5–15 cm.

(1–)2–6(–10) cm.

1–3 mm.

0.5–2 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.

(6–)7.3–11.2 mm;

calyx 3.6–6 mm, strigulose, tube 1.9–3.5 mm, lobes lanceolate-subulate to subulate, 1.3–2.5(–2.9) mm;

corolla pink-purple;

banner recurved through 45°;

keel (4.5–)4.8–6.6 mm, apex bluntly deltate.

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.

spreading, declined, or ascending, green or purple-tinged becoming pale brown or stramineous, straight or incurved through 0.25–0.5 spiral, linear-oblong to lanceoloid-oblong, 3-sided compressed, falling before splitting, dehiscent on ground, 8–20(–22) × (2–)2.2–3.7 mm, ± bilocular, papery, glabrous.

24–30.

(8–)10–15.