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.

ascending, in clumps, sparsely 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.

(3–)4–12(–14) cm;

stipules (1–)1.5–4 mm, submembranous becoming papery;

leaflets (7–)11–17(or 19), blades lanceolate or oblong-elliptic, (3–)5–20(–25) mm, apex obtuse or retuse, surfaces strigulose, densely so adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

10–25-flowered, flowers ascending (to spreading);

axis (2.5–)4–15(–17) cm in fruit;

bracts 1–1.7 mm;

bracteoles 0–2.

0.5–15 cm.

arising from stem distally, erect or incurved-ascending, (1.5–)3–10 cm, together with racemes much shorter than stems.

1–3 mm.

0.4–2 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.

7.1–10.2 mm;

calyx campanulate, 3.6–6.7 mm, strigulose, tube 2.7–4.1 mm, lobes subulate, 0.9–3 mm;

corolla pale to dark lilac;

banner recurved through 45–80°;

keel 6.8–9.4 mm, apex sharply triangular.

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.

erect or incurved-ascending, pale or purple-tinged becoming stramineous, straight or slightly incurved, narrowly oblanceoloid, 3-sided compressed, (20–)25–31 × 3.7–5 mm, thin becoming papery, glabrous;

gynophore stout, 0.7–1.5 mm.

24–30.

19–28.