Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

slender, 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.

2–4 cm;

stipules connate, bidentate, 2.5–5 mm, membranous;

leaflets 9–15, blades ovate-elliptic, 2.5–8 mm, apex obtuse or acute, surfaces strigulose.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(1 or)2–4-flowered;

axis (1–)1.5–4 cm in fruit.

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

erect, very slender, 1.5–8 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.

5–6.2 mm;

calyx 2–3.5 mm, strigose, hairs white or black, tube 1.2–2.5 mm, lobes linear-subulate, 0.7–1.2 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 pendulous, red-mottled, ellipsoid, subinflated, slightly dorsiventrally compressed, 8–14 × 4–6 mm, thin becoming papery, strigulose or glabrous;

gynophore 0.5–0.8 mm.

4–12.

16–18.

= 24.