Flora of North America species comparison

erect or ascending, sparsely strigulose.

strigulose-canescent.

(3–)4–12 cm;

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

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

1–4(–6) cm;

stipules 1.5–4.5 mm, subherbaceous becoming papery;

leaflets 7–11(–17), blades elliptic to obovate, 1.5–10 mm, apex acute to obtuse, surfaces strigose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

1–4-flowered, flowers ascending;

axis 0–8 mm in fruit;

bracts 1.2–3 mm;

bracteoles 0–2.

(2–)4–11 cm.

divaricate or incurved-ascending, 0.8–4.5 cm.

0.6–1.5 mm.

0.7–4 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

6–8 mm;

calyx 3.7–5.5 mm, strigulose, tube 1.5–2.8 mm, lobes subulate, 1.9–3 mm;

corolla pink-purple;

banner recurved through 80°;

keel 6–7.4 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

spreading-ascending, purple-mottled becoming stramineous, incurved, obliquely oblong, 3-sided and laterally compressed, 8–10 × 3–4 mm, papery, strigulose, hairs often contorted;

gynophore 0–0.8 mm.

12–16.

7–10.