Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect, 0–7 cm underground, glabrous.

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.

crowded, loosely imbricate, 1.5–6.5 cm;

stipules 2–15 mm, membranous;

leaflet blade ovate, orbiculate, or cordate, 15–65 mm, apex obtuse to rounded or retuse, surfaces glabrous.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

2–12-flowered;

axis 0.4–2.5 cm in fruit;

bracts 1–5 mm;

bracteoles 2.

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

erect, 0.5–4.5 cm.

0.3–1.7 mm.

1–5 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.

17–27 mm;

calyx 10–17 mm, black-strigose, tube 8.3–13 mm, lobes linear to subulate, 1.5–3.8 mm;

corolla keel 14.2–18.5 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.

pale green and purple-speckled becoming stramineous, straight, 25–35 × 11–16 mm, fleshy becoming leathery or stiffly papery, glabrous;

stipe 10–23 mm.

4–12.

= 24.

= 24.