Flora of North America species comparison

prostrate, silvery-pilose.

prostrate or weakly ascending, diffuse, modestly flexuous, 1–3 cm underground, strigulose to subvillosulous.

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–)2–4 cm;

stipules connate and papery-scarious at proximal nodes, distinct and membranous at distal nodes, 1.5–3 mm;

leaflets 9–15, blades oblong-ovate or oblong-cuneate, 3–9 mm, apex emarginate, surfaces densely strigulose to subvillosulous abaxially, glabrate adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

(3–)7–14-flowered, flowers initially spreading, later declined;

axis (1–)2–6.5 cm in fruit;

bracts 0.8–1.4 mm;

bracteoles 0.

0.5–2.5 cm.

divaricate and ascending, (0.8–)1.5–3.5 cm, together with racemes shorter than stems.

1–3.5 mm.

0.5 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.

5.6–5.8 mm;

calyx campanulate or obconic-campanulate, 2.2–2.6 mm, strigulose, hairs white and fuscous, sometimes also black, tube 1.4–1.9 mm, lobes subulate, 0.5–0.7 mm;

corolla whitish tinged with lilac;

banner recurved through 45°;

keel 3.5–3.7 mm.

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

pendulous, green with purple speckles becoming stramineous, slightly decurved, ellipsoid or lanceoloid-ellipsoid, obcompressed, dehiscent while attached, 6–9.5 × (2.5–)3–3.3 mm, papery, white-villosulous;

valves inflexed, if at all, as hyaline septum 0–0.1 mm wide;

stipe 0.4 mm.

6–10.

4–6.