Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

ascending to erect or sprawling, flexuous, (0–)1–8 cm underground, leafless, strigulose, hairs appressed.

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.

2–13 cm;

stipules connate-sheathing and papery at proximal nodes, distinct or obscurely connate subherbaceous or firmly papery at distal nodes, 1–5.5 mm;

leaflets 9–17, blades oblanceolate to linear, 3–20(–25) mm, apex obtuse to retuse, surfaces strigose abaxially, glabrous adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

9–27-flowered, flowers ascending to declined;

axis 2–11.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

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

1–6.5 cm.

0.3–1.7 mm.

0.7–3.5 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.

6.4–8.7 mm;

calyx campanulate, 3.3–5.4 mm, strigose, tube 2.3–3.3 mm, lobes broadly subulate or triangular, 0.8–2.2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 6–7.2 mm, apex triangular 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.

spreading to declined, purple-mottled, straight, ovoid, ellipsoid, or subglobose, bladdery-inflated, 17–32 × 12–22 mm, papery, strigose;

sessile.

4–12.

21–32.

= 24.

= 22.