Flora of North America species comparison

prostrate, silvery-pilose.

prostrate and radiating, internodes to 0.5–2(–2.5) cm, concealed by stipules or developed, villous-villosulous or glabrate.

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.

(4–)5–15(–20) cm;

stipules mostly distinct, broadly ovate or triangular, 2.5–12 mm, submembranous;

leaflets 7–31, blades oblanceolate, obovate, or elliptic, 3–17(–20) mm, apex obtuse or emarginate, surfaces villous-villosulous abaxially, sometimes glabrate adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

densely (10–)12–20(–25)-flowered, flowers ascending;

axis (1.5–)2–8 cm in fruit;

bracts 2.5–8.5 mm;

bracteoles 0.

0.5–2.5 cm.

incurved-ascending, prostrate in fruit, (1.5–)3–10 cm.

1–3.5 mm.

1.3–3.6 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.

17–23.5 mm;

calyx cylindric to deeply campanulate, 10–15 mm, sparsely villous-villosulous, tube (6.8–)7.5–10.5 mm, lobes lanceolate to subulate, 2.5–5.5 mm;

corolla bright reddish violet or tinged with violet, white, or whitish;

banner incurved 40–50°;

keel 12–15.7 mm.

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

ascending (humistrate), brownish then blackish, ± straight, obliquely ovoid, lanceoloid-ellipsoid, oblong-ellipsoid, or lanceoloid, obcompressed, (17–)20–30 × 7–10 mm, subunilocular, fleshy becoming stiffly leathery or subligneous, glabrous;

septum to 1.7 mm wide.

6–10.

30–44.