Flora of North America species comparison

prostrate, silvery-pilose.

prostrate to ascending, strigulose.

1–4 cm;

stipules 2–8 mm, hyaline, densely pilose abaxially;

leaflets usually 3, rarely 5, blades narrowly to broadly oblanceolate or obovate-cuneate, 3–13 mm, apex subacute, surfaces silvery-pilose.

1.5–4.5 cm;

stipules 1.5–4.5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflet blades obovate, oblanceolate, or oblong-obovate, (2–)3–10 mm, apex obtuse to retuse, surfaces strigulose abaxially, glabrous adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

6–15-flowered;

axis (1.5–)2.5–7 cm in fruit;

bracts 0.8–1.8 mm;

bracteoles 0–2.

0.5–2.5 cm.

divaricate and spreading-incurved, 2.5–7 cm.

1–3.5 mm.

0.8–2.5 mm.

5–6.2(–8) mm;

calyx campanulate, 2.4–4.2 mm, densely pilose, tube 2–3 mm, lobes triangular-subulate, 1–1.2 mm;

corolla pink-purple or white, often drying yellowish;

banner recurved through 90°;

keel 4–4.5 mm, apex bluntly deltate.

8.6–10.8 mm;

calyx 3.7–5.8 mm, strigose, tube 2.4–3.7 mm, lobes subulate, 1.1–2.4 mm;

corolla keel 8.2–9.6 mm.

ascending or recurved, ovoid-ellipsoid, slightly compressed, 3–4.5 × 2 mm, papery, densely silky-strigose or silky-pilose.

purplish, gently to strongly incurved to 0.5 spiral, 12–16 × 3.6–5 mm, incompletely bilocular, wider than high in cross section, fleshy becoming stiffly leathery, strigose, hairs ± 1 mm;

septum 0.6–1 mm wide;

stipe 2–5 mm.

6–10.