Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

decumbent or prostrate, strigulose to villosulous.

mostly reduced to phyllodia, few with leaflets, 0.8–10 cm;

stipules connate-sheathing throughout, 2–7 mm, papery-scarious;

leaflets 0(or 3–5), blades (phyllodia) oblanceolate to linear, 4–30 mm, apex acute, mucronate, or spinulose, surfaces strigose;

terminal leaflet often confluent with 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.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

loosely (4–)6–12-flowered;

axis 1–7 cm in fruit;

bracts 0.5–1.8 mm;

bracteoles 0.

erect or ascending, outer ones often prostrate in fruit, 0.4–9 cm.

0.5–5.5 cm.

0.3–1.7 mm.

1–1.6 mm.

5.7–9.5 mm;

calyx 2.6–5 mm, strigose, tube 1.9–3.4 mm, lobes subulate, 0.5–2.5 mm;

corolla pink purplish to ochroleucous or whitish;

banner recurved through 45°;

keel 4–6 mm.

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.

erect, pale green tinged purple, with red-mottle, becoming brown or stramineous, straight or slightly curved, lanceoloid to lanceoloid-oblong, 2-sided, laterally compressed, 4–13 × 1.5–3.3 mm, papery, usually strigose, rarely glabrous;

sessile.

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.

4–12.

6–12.

with racemes shorter than leaves.

= 24.