Flora of North America species comparison

prostrate, silvery-pilose.

erect 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.

(6–)9–22 cm;

stipules 4–8 mm, membranous becoming papery-scarious;

leaflets (17–)21–31, blades linear-oblong, narrowly oblong-elliptic, lanceolate, or oval, (3–)8–22 mm, apex obtuse or truncate-emarginate, surfaces strigulose abaxially, glabrous adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

15–30-flowered, flowers ascending;

axis 8–22 cm in fruit;

bracts 1.7–2.5 mm;

bracteoles 2.

0.5–2.5 cm.

erect, 10–25(–30) cm.

1–3.5 mm.

0.5–4 mm, clavately thickened in fruit.

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.

10–10.7 mm;

calyx campanulate, 5–6.3 mm, strigulose-pilosulous, tube 3.7–4.7 mm, lobes lanceolate-subulate, (1.9–)2.2–5.2 mm;

corolla ochroleucous, drying yellowish, immaculate;

banner recurved through 45°;

keel 10.1–10.6 mm.

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

erect, brownish stramineous, straight or slightly incurved or decurved, narrowly oblong-ellipsoid, obcompressed, 15–23 × 4.5–6.3 mm, ± bilocular, ± fleshy becoming stiffly leathery, strigulose;

septum 0.5–0.9 mm wide;

stipe (2.5–)3–6 mm.

6–10.

18–26.

= 24.