Flora of North America species comparison

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

ascending to erect, sparsely strigulose to glabrate.

(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.

3–13 cm;

stipules 2–6.5 mm;

leaflets 5–17(or 19), blades elliptic to lanceolate, oblanceolate, or obovate, 3–17(–20) mm, apex acute to obtuse or apiculate, surfaces strigulose or glabrous abaxially, glabrous adaxially.

densely or loosely 6–40-flowered;

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

bracts 1.2–5 mm;

bracteoles 0.

5–9-flowered;

bracts 1.5–2.5 mm;

bracteoles 2.

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.

2.5–10 cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

1.5–2.5 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.

15–16 mm;

calyx pale purple or whitish, cylindric, (7.3–)7.5–8.5(–9) mm, sparsely black-strigose, tube 5.9–6.7 mm, lobes subulate, 1.3–1.7(–2.3) mm;

corolla white or tinged purplish (or drying purplish);

banner recurved through 40–45°.

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.

ascending to erect, greenish sometimes suffused with purple, oblong-ellipsoid, inflated, 14–18 × 9–11 mm, thinly cartilaginous, glabrous;

unilocular;

stipe 3–3.5 mm.

8–16.

20–38.