Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect, 3–10 cm underground, cinereous.

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.

(1–)1.5–5 cm;

stipules 0.5–2.5 mm, papery-scarious at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–21, blades narrowly or broadly obovate, 1–7 mm, apex retuse or obcordate, surfaces strigose, sometimes adaxially glabrescent.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

5–14+-flowered;

axis 1–5 cm in fruit;

bracts 0.5–1 mm;

bracteoles 0.

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

divaricate, often hanging below subtending leaf, 1–3.5 cm.

0.3–1.7 mm.

1–2 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.

7–8.2 mm;

calyx 2.5–3 mm, villosulous, tube 2–2.5 mm, not marcescent, lobes triangular, 0.5–0.7 mm;

corolla pale lilac, or whitish to yellowish and veined and suffused with lilac, keel tip maculate;

keel 4.6–5.3 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, strongly curved or coiled through (1–)1.5–2 spirals, narrowly oblong, 3–4 mm wide, papery, villosulous;

stipe 2–9 mm.

4–12.

10–16.

= 24.