Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

prostrate to erect, (0.5–)2–20+ cm underground, strigose, glabrate, or glabrous.

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.

1.5–7 cm;

stipules 2–4 mm, herbaceous becoming papery;

leaflets (5 or)7–13, blades lanceolate to elliptic or oblong, 2–9 mm, margins involute and long-ciliate, apex obtuse, surfaces strigose abaxially, glabrous adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

2–10-flowered, flowers spreading to declined;

axis 0.2–0.5 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

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

erect and ascending, reclined in fruit, 2–5 cm.

0.3–1.7 mm.

0.8–1.5 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.

6.2–7.5 mm;

calyx 2.8–3.6 mm, strigose, tube 2–2.5 mm, lobes subulate, 0.7–1.6 mm;

corolla ochroleucous or pink-purple, then wing tips same color;

keel 3.9–4.8 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.

pale green, red-mottled, becoming stramineous, ovoid, 9–18(–22) × 7–13(–15) mm, papery-membranous, opaque, strigose.

4–12.

10–12.

= 24.