Flora of North America species comparison

ascending, decumbent, or sprawling, silky-strigose, villous, or villous-tomentose.

erect, 3–10 cm underground, cinereous.

(1–)2–7(–10) cm;

stipules clasping with margins touching but distinct or shortly connate at proximal nodes, distinct at distal nodes, (1–)2–7(–11) mm, often veined, semileathery;

leaflet blades linear, lanceolate, oblong, elliptic, or elliptic-oblanceolate, 3–33(–35) mm, apex acute, subacute, or obtuse, surfaces glabrous, glabrate, or pubescent.

(1–)1.5–5 cm;

stipules 0.5–2.5 mm, papery-scarious at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–21, blades narrowly or broadly obovate, 1–7 mm, apex retuse or obcordate, surfaces strigose, sometimes adaxially glabrescent.

densely or loosely 6–40-flowered;

axis 1.5–15 cm in fruit, elongating little after flowering;

bracts 1.2–5 mm;

bracteoles 0.

5–14+-flowered;

axis 1–5 cm in fruit;

bracts 0.5–1 mm;

bracteoles 0.

usually erect, rarely humistrate in fruit, (2–)2.5–15 cm, equal to or longer than subtending leaf, together with racemes usually shorter than stems.

divaricate, often hanging below subtending leaf, 1–3.5 cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

1–2 mm.

7–13.8(–14.5) mm;

calyx 3.7–6.4 mm, villous or strigulose, tube 2.4–5 mm, lobes subulate, (1–)1.1–4 mm;

corolla white to purplish or creamy white;

wing apex bidentate;

keel (6.1–)6.7–9.6 mm, shorter than wings.

7–8.2 mm;

calyx 2.5–3 mm, villosulous, tube 2–2.5 mm, not marcescent, lobes triangular, 0.5–0.7 mm;

corolla pale lilac, or whitish to yellowish and veined and suffused with lilac, keel tip maculate;

keel 4.6–5.3 mm.

green, often with red or purple, becoming stramineous, ± straight or slightly curved abaxially, convex adaxially, not sulcate, obliquely ellipsoid, semi-ellipsoid, or narrowly oblong, laterally compressed, 10–30 × 3–9(–11) mm, papery, translucent, usually glabrous, sometimes strigose, hyaline septum 0–0.6 mm wide;

stipe 2.5–8[–10] mm.

pendulous, stramineous, strongly curved or coiled through (1–)1.5–2 spirals, narrowly oblong, 3–4 mm wide, papery, villosulous;

stipe 2–9 mm.

8–16.

10–16.