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.

only tips produced aboveground, 0–5 cm, 2–30 cm underground, often with marcescent leaf rachises, densely canescent-hirsutulous.

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 cm;

stipules ± obscuring stem, 2–4 mm, papery-scarious;

leaflet blades ovate to obovate or oblanceolate, 1–7 mm, apex obtuse, mucronate, or emarginate, surfaces pilosulous.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

2–5-flowered;

axis 0.2–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

0.5–15 cm.

ascending, 1–3 cm.

1–3 mm.

1–1.5 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.

9–12 mm;

calyx 5.5–7 mm, hirsutulous, tube 3–4 mm, lobes subulate, 1.8–3 mm;

corolla pink-purple or whitish, usually suffused with purple, keel tip purple;

keel not concealing style, 9–11 mm, apex long-attenuate and 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.

mottled, straight, 12–18 × 8–15 mm, papery, spreading-hairy.

24–30.