Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

ascending, diffusely spreading, densely gray-villosulous.

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.

1.2–3.5 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, to 7 mm, submembranous proximally, firm or herbaceous distally;

leaflets 7–15, blades narrowly obovate or elliptic, 2–10 mm, apex obtuse to subacute, surfaces villosulous abaxially, glabrate adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

5–10-flowered, flowers declined;

axis 0.4–1.6 cm in fruit;

bracts 1.5–3 mm;

bracteoles 0.

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

incurved-ascending, 0.4–1.6 cm.

0.3–1.7 mm.

1–1.8 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 mm;

calyx campanulate, 3.6–4.5 mm, white-villosulous, tube 2.2–2.9 mm, lobes subulate, 1.3–2.3 mm;

corolla ivory-yellow, drying yellowish;

banner recurved through 50°;

keel 4–4.9 mm, apex deltate, obscurely beaklike.

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.

declined, stramineous, straight, symmetrically or subsymmetrically lenticular-oblong, 3-sided compressed, 5–8.5 × 2.5–3 mm, thin becoming papery, villosulous.

4–12.

6–10.

= 24.