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.

incurved-ascending to decumbent, strigulose to 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.

1.5–4 cm;

stipules distinct, 1–4 mm, membranous or herbaceous with membranous margins;

leaflets (7 or)9–15(or 17), blades linear-elliptic, 5–12.5 mm, apex obtuse, surfaces pubescent.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

loosely (3 or)4–9-flowered, flowers ascending becoming spreading, ultimately declined;

axis 0.4–3 cm in fruit;

bracts 0.7–1.5 mm;

bracteoles 0.

0.5–15 cm.

incurved-ascending, (0.6–)1.4–3.5 cm.

1–3 mm.

(1.2–)1.6–4.3 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.

6.5–7.5 mm;

calyx campanulate, 4.2–5 mm, gray-strigulose, tube 2.5–3 mm, lobes subulate, 1.4–2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 4.7–6.1 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.

deciduous from receptacle, horizontal or declined, green or minutely purple-dotted, becoming stramineous, straight, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, terete or somewhat obcompressed, 13–26 × 8–16 mm, thin becoming papery-membranous, somewhat lustrous, strigulose, hairs spreading, incumbent or curly;

gynophore to 0.8 mm.

24–30.

10–14.