Flora of North America species comparison

erect or ascending;

strigose.

decumbent or prostrate, strigulose to villosulous.

most reduced to phyllodia, continuous with rachis, 2–10 cm;

stipules distinct throughout, 2–13 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 0–(1–13), blades linear, elliptic, or oblong, 1–15 mm, apex acute to obtuse or emarginate, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

2.5–7.5(–9) cm;

stipules 1.5–4 mm, papery-membranous;

leaflets (13–)17–25(or 27), blades broadly elliptic, oval, or oblong, 1–6.5 mm, apex obtuse or retuse, surfaces strigulose to villosulous, sometimes glabrous or glabrescent adaxially.

6–30-flowered, flowers ascending;

axis 3–30 cm in fruit;

bracts 1.3–3 mm;

bracteoles 0–2.

loosely (4–)6–12-flowered;

axis 1–7 cm in fruit;

bracts 0.5–1.8 mm;

bracteoles 0.

erect or incurved-ascending, 6–23 cm.

0.5–5.5 cm.

1.5–3.5 mm.

1–1.6 mm.

10–15.5 mm;

calyx suffused with purple or very pale, shortly cylindric, 4.1–8(–8.5) mm, white-strigose, tube 3.4–5.2(–6) × 1.9–2.9(–3.4) mm, lobes triangular to subulate, 0.6–2.2 mm;

corolla pale pink or whitish to pink-purple;

banner recurved through 40–45°;

keel 9–12.3 mm, apex obtuse to subacute, not beaklike.

5.3–6.8 mm;

calyx 2.9–3.8 mm, strigose, tube 2.1–2.3 mm, lobes subulate, 0.8–1.5 mm;

corolla whitish or ochroleucous, banner veined purplish;

banner recurved through 45–85°;

keel 4–5 mm.

pendulous, stramineous or suffused with purple or mottled, slightly curved or straight, oblong to lanceoloid-ellipsoid, laterally compressed, 14–32 × 4–8 mm, stiffly papery, glabrous or strigose;

stipe 0–0.6 mm.

pendulous, stramineous, slightly incurved, nearly lanceoloid-ellipsoid or oblong-ellipsoid, 3-sided compressed, 7–12 × 2–3.8 mm, papery, strigulose;

septum 0.7–1.2 mm wide;

stipe 1.5–4 mm.

16–26.

6–12.

with racemes shorter than leaves.

= 22.