Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

prostrate to decumbent or 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.

4–12 cm;

stipules 2–8 mm, subherbaceous or papery;

leaflets (9 or)11–21(or 23), blades linear-oblong to narrowly elliptic, (3–)5–20(–24) mm, apex acute to obtuse, surfaces strigulose abaxially, glabrous or glabrate adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(10–)15–50-flowered;

axis (1.5–)3–8 cm in fruit;

bracts 1–3 mm;

bracteoles 0–2.

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

erect or incurved-ascending, (2–)5–12 cm.

0.3–1.7 mm.

0.3–1.2 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.

4.2–6.2 mm;

calyx 2.5–3.6 mm, strigulose, tube 1.7–2 mm, lobes subulate, 0.8–1.8 mm;

corolla yellow to green, suffused pale lavender, fading ochroleucous, wing tips pale or white;

banner recurved through 45–90°;

keel 3.7–5 mm, apex round.

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.

stramineous, narrowly lanceoloid or linear-ellipsoid, 6–12 × 1.3–2 mm, bilocular or sub-bilocular, thin becoming papery, strigulose.

4–12.

6–10.

= 24.

= 28.