Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

decumbent to ascending or erect, glabrous or strigose.

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.

2–15 cm;

stipules 2–10 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–27, blades orbiculate, suborbiculate, elliptic, rhombic-elliptic, rhombic-ovate, oblong-ovate, ovate, or obovate, 3–25 mm, apex obtuse, truncate, retuse, or apiculate, surfaces glabrous or glabrate.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

7–16-flowered, flowers ascending;

axis 1–7 cm in fruit;

bracts 1–7 mm;

bracteoles 2.

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

erect or incurved-ascending, 3–15 cm.

0.3–1.7 mm.

1–3.5 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.

(16–)16.5–21 mm;

calyx short-cylindric to deeply campanulate, 7–13.5 mm, sparsely strigulose or glabrous, tube 3.5–6.8 mm, lobes subulate to lanceolate, 2–7.1 mm;

corolla ochroleucous, yellowish, whitish, cream, or purple (wing tips sometimes pale or white);

banner recurved through 90°;

keel 11.5–15.5 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.

ascending to declined, pale green, often purple-mottled, becoming brownish or stramineous, sharply incurved, obliquely ellipsoid, dorsiventrally compressed, (15–)20–30 × 6–12 mm, fleshy becoming leathery, glabrous;

septum narrow, subobsolete, to 1.5 mm wide;

gynophore 1.5–5 mm.

4–12.

18–41.

= 24.