Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

slender, decumbent to incurved-ascending, 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.

(2–)2.5–8.5 cm;

stipules: proximals connate-sheathing, bidentate scarious at proximal nodes, distinct or connate at base and subherbaceous at distal nodes, 2–5 mm;

leaflets 9–15, blades elliptic to ovate-elliptic, 2–8 mm, apex obtuse or subapiculate, surfaces strigulose.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

5–10(–14)-flowered;

axis (1–)1.5–4 cm in fruit;

bracts 0.7–1.2 mm;

bracteoles 0.

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

ascending to declined, 2–5.5 cm.

0.3–1.7 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.

5–6 mm;

calyx 3.3–4 mm, strigose, hairs white or black, tube 2.1–2.7 mm, lobes subulate, 1–1.4 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 (or humistrate), red-mottled, narrowly obovoid-ellipsoid, slightly dorsiventrally compressed, 8–14 × 4–6 mm, thin becoming papery-membranous, strigulose;

gynophore 0.5–1 mm.

4–12.

12–14(–16).

= 24.