Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

indistinctly flexuous (if at all), spreading to prostrate, 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.

(3–)5–12 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets 5–11, blades linear, linear-oblanceolate, -elliptic, or filiform, (2–)5–25 mm, apex acute to subacute, surfaces strigulose;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(3–)5–15(–22)-flowered, 1 per leaf axil;

axis (1.5–)2–10 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0–2.

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

divaricate and incurved, (2–)4–20 cm.

0.3–1.7 mm.

0.6–1.5 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.

9.4–12.2 mm;

calyx subcylindric to campanulate, 3.5–5 mm, strigulose, hairs black and white, tube 3–4 × 2.3–2.8(–3.1) mm, lobes triangular, 0.6–1 mm;

corolla pinkish red, with darker red veins, keel and wings buff-yellow, banner white-tipped;

banner recurved through 35–45°;

keel incurved through 40–85°, blades longer than claws, 8.2–10 mm, apex obtuse and 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.

brown or stramineous, sometimes initially mottled, straight or slightly curved, linear-oblong or linear-lanceoloid, strongly laterally compressed, 15–35 × 3–4 mm, thinly fleshy becoming leathery, strigulose or if glabrous then mottled;

stipe (4–)6–14 mm.

4–12.

13–17.

= 24.