Flora of North America species comparison

decumbent and ascending, sometimes fistulose, sparsely strigulose or glabrous.

strigulose-canescent.

(5–)8–20 cm;

stipules mostly distinct, (2–)4–10 mm, papery at proximal nodes, herbaceous at distal nodes;

sessile or subsessile to short-petiolate;

leaflets 25–41, blades narrowly oblong, ovate-cuneate, or rhombic-ovate, (3–)6–30(–37) mm, apex truncate, emarginate and apiculate, or subacute, surfaces sparsely strigulose or glabrous abaxially, 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.

(10–)20–45-flowered, flowers horizontal or declined;

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

1–4-flowered, flowers ascending;

axis 0–8 mm in fruit;

bracts 1.2–3 mm;

bracteoles 0–2.

erect or incurved-ascending, 5.5–14 cm.

divaricate or incurved-ascending, 0.8–4.5 cm.

0.6–3.5 mm.

0.7–4 mm.

11.1–15.3 mm;

calyx broadly campanulate, obliquely truncate or subgibbous abaxially, 5–7.2(–7.7) mm, strigulose, tube 3.5–4.8(–5) mm, lobes subulate or triangular-subulate, (1–)1.3–2.6(–3) mm;

corolla white, greenish white, or ochroleucous;

keel 9.4–13.2 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.

readily deciduous, horizontal or ascending, pale green or purplish stramineous, obliquely ovoid or semi-ovoid, bladdery-inflated, (18–)23–45(–50) × (10–)12–20 mm, thin becoming papery, translucent, sublustrous, sparsely strigulose or glabrate;

sessile.

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.

34–55.

7–10.

= 22.