Flora of North America species comparison

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

ascending to erect, sparsely strigulose to glabrate.

(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.

3–13 cm;

stipules 2–6.5 mm;

leaflets 5–17(or 19), blades elliptic to lanceolate, oblanceolate, or obovate, 3–17(–20) mm, apex acute to obtuse or apiculate, surfaces strigulose or glabrous abaxially, glabrous adaxially.

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

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

5–9-flowered;

bracts 1.5–2.5 mm;

bracteoles 2.

erect or incurved-ascending, 5.5–14 cm.

2.5–10 cm.

0.6–3.5 mm.

1.5–2.5 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.

15–16 mm;

calyx pale purple or whitish, cylindric, (7.3–)7.5–8.5(–9) mm, sparsely black-strigose, tube 5.9–6.7 mm, lobes subulate, 1.3–1.7(–2.3) mm;

corolla white or tinged purplish (or drying purplish);

banner recurved through 40–45°.

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.

ascending to erect, greenish sometimes suffused with purple, oblong-ellipsoid, inflated, 14–18 × 9–11 mm, thinly cartilaginous, glabrous;

unilocular;

stipe 3–3.5 mm.

34–55.

20–38.

= 22.