Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, sparsely 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.

distally (rarely all) unifoliolate or reduced to phyllodia, 3–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 3.5–5 mm;

leaflets (0 or 1–)3–9, blades obovate or linear, 2–12 mm, apex obtuse to acute, surfaces sparsely strigulose;

terminal leaflet of compound leaves decurrent, not jointed to rachis.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

loosely 3–10-flowered, flowers ascending;

axis 1.5–9(–12) cm;

bracts 2–3 mm;

bracteoles 1 or 2.

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

erect or incurved-ascending, 10–25 cm.

0.3–1.7 mm.

0.5–3.5 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.

14.6–18(–22) mm;

calyx 5.0–7.8 mm, strigose, tube 3.8–5.3 × 3.7–3.8 mm, lobes subulate, 1.1–2.8 mm;

corolla white, keel tip pink-purple fading dark purple;

keel 11.3–12.3 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.

erect, stramineous, ± straight, narrowly oblong-ellipsoid, slightly compressed laterally, (10–)12–17(–20) × 4.4–6 mm, fleshy becoming woody, glabrous or strigose;

sessile.

4–12.

18–20.

= 24.