Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

diffuse or erect to decumbent-clambering, sparsely strigulose-pilosulous.

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.

2–10 cm;

stipules (1–)2–11 mm, papery-scarious proximally, submembranous at distal nodes;

leaflets 13–23, blades narrowly elliptic to lanceolate-oblong, 4–18 mm, apex obtuse to retuse or acute, surfaces strigulose.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

5–15-flowered, flowers ascending-erect;

axis 0.5–2.5 cm in fruit;

bracts 3–7 mm;

bracteoles 0.

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

erect or incurved-ascending, 1.5–15 cm.

0.3–1.7 mm.

0.5–1.5 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.

17–24 mm;

calyx cylindric, 7–12.5 mm, villous, tube 5–7.8 mm, lobes linear, 2.5–5.5 mm;

corolla usually pink-purple, sometimes ochroleucous or nearly white;

keel 11.4–14 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, green becoming dark, ± straight, oblong-ellipsoid, obtusely 3-sided, 7–10 × 2.8–4.5 mm, sulcate abaxially, scarcely swollen, thinly papery, densely silky-villous;

stipe 0.3–1 mm.

4–12.

= 24.

= 16.