Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

few or single, prostrate, 2–10 cm underground, densely strigulose.

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.

1–3(–4.5) cm;

stipules connate at proximal nodes, distinct at distal nodes, 1–2.5 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets 9–13, blades obovate, cuneate-obovate, or oblanceolate, 3–9(–14) mm, apex obtuse or retuse to obcordate, surfaces ashy-strigose.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(4–)6–10(–13)-flowered, flowers spreading;

axis 0.5–1.5(–2) cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

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

spreading or incurved, (0.3–)0.5–2.2 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.

6.4–8.3 mm;

calyx (2.8–)4.1–5 mm, strigulose, tube 1.9–2.7 mm, lobes subulate, (0.9–)1.5–2.3 mm;

corolla dull stramineous, banner veins lilac, keel tip maculate;

keel 8.8–8.3 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.

spreading or ascending (humistrate), green or purplish becoming stramineous, straight, ovoid or ellipsoid, bladdery-inflated, somewhat dorsiventrally compressed, 20–35 × 12–26 mm, bilocular, thin becoming papery, sparsely strigulose.

4–12.

25–32.

= 24.