Flora of North America species comparison

erect or ascending, strigulose.

decumbent to ascending, densely pilose to pilose-hirsute.

4–15 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 3–8(–12) mm, scarious;

leaflets (9 or)11–31, blades lanceolate-elliptic to linear-lanceolate, 3–35 mm, apex acute to acuminate, surfaces glabrous or glabrate, sometimes ciliate.

(6–)8–15 cm;

stipules often connate-sheathing at proximal nodes, connate or distinct at distal nodes, 5–20 mm, submembranous becoming papery-scarious;

leaflet blades oblong-elliptic or obovate-obcordate, (4–)6–23 mm, apex obtuse, emarginate, or apiculate-acute, surfaces sparsely pilose or pilose-hirsute abaxially, glabrous adaxially.

9–45(–70)-flowered;

axis (3–)5–20(–25) cm in fruit;

bracts 1.5–7.5(–9) mm;

bracteoles 0–2.

9–20-flowered;

axis 2–5(–6) cm in fruit;

bracts 5–12 mm;

bracteoles 0.

erect, 3–13 cm.

incurved-ascending, 5–10(–14) cm.

2–8 mm.

1.5–3.5 mm.

12–19(–21) mm;

calyx pallid or pinkish, short-cylindric, strongly gibbous, (7.3–)8.6–12(–19) mm, glabrous or sparsely strigose, tube (4.7–)5–6(–9) mm, lobes subulate or subulate-setaceous, (1.5–)3.3–6(–10) mm;

corolla usually white or ochroleucous, concolorous, rarely lightly suffused with purple or with purple veins, sometimes keel tip lilac;

banner recurved through 45°;

keel 10.8–15.2 mm.

14–19 mm;

calyx 8.3–15.1 mm, sparsely white-hirsute, tube gibbous-saccate behind pedicel, 5.9–11.4 mm, lobes lanceolate-subulate, 2.4–4 mm;

corolla whitish or pale cream, drying yellow, immaculate;

keel 11–13.6 mm.

stramineous, straight or slightly curved, linear-oblong, oblong-ellipsoid, or oblong-ovoid, sharply 3-sided compressed, faces of subequal width, nearly flat, 10–30 × 3–8 mm, papery, glabrous or sparsely strigose;

stipe (3.5–)4–6(–7) mm.

green or pink-tinged becoming stramineous, 25–40 × 7–13 mm, fleshy becoming spongy, walls 2.5–3 mm thick, translucent, alveolate-rugulose, sparsely hirsute;

gynophore stout, (1–)1.3–2 mm, glabrous.

12–22.