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.

decumbent to ascending, diffuse, clumps often as tall as wide, strigulose-villosulous.

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.

3–8.5 cm;

stipules mostly distinct, some shortly connate-sheathing, 2–6 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets 11–17, blades oblong to oblanceolate or obovate, 3–20 mm, apex truncate to retuse, mucronate, or acute, surfaces strigulose.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

3–9-flowered, flowers ascending;

axis 1–4 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0–2.

0.5–15 cm.

incurved, 1–4 cm.

1–3 mm.

0.8–3.6 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.

6.3–8.2 mm;

calyx campanulate, 4.8–6.6 mm, villous, tube 2.3–3 mm, lobes subulate, 2.2–3.5 mm;

corolla pink-purple, fading yellowish;

banner recurved through 60–90°;

keel 5.8–6.8 mm, apex bluntly or sharply triangular, often beaklike.

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.

deciduous from receptacle, declined, green, often brightly purple- or red-mottled, straight or slightly incurved, obliquely ovoid-ellipsoid, inflated, not strongly bladdery, gently obcompressed, 13–21 × 7–11 mm, firmly papery, villosulous, hairs spreading, incurved, to 0.7 mm.

24–30.

20–28.