Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect, strigulose or glabrous, or glabrate proximally.

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.

3.5–11 cm;

stipules 2–9 mm, scarious;

leaflet blades broadly obovate-cuneate or obovate-flabellate, 7–15(–18) mm, apex obtuse to retuse, surfaces glabrous.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(7–)12–33-flowered;

axis 4–20(–28) cm in fruit;

bracts 1–3.4 mm;

bracteoles 0.

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

erect, 3.5–15 cm.

0.3–1.7 mm.

0.5–2 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.

8–11 mm;

calyx 4.7–5.5 mm, strigulose, tube 3–3.5 mm, lobes subulate, 1.7–2 mm;

corolla white, drying ochroleucous;

banner recurved through 60–80°;

keel 6.8–7.7 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.

incurved-ascending, green, sometimes purple-tinged or -mottled, becoming stramineous, sometimes suffused with purplish brown, incurved through 0.25 spiral, 8–15 × 3–5 mm, fleshy becoming leathery, glabrous;

stipe (2.5–)3–5 mm.

4–12.

= 24.