Flora of North America species comparison

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

decumbent to ascending or erect, strigulose.

(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.

3–10.5 cm;

stipules 4–9 mm;

leaflets 5–11, blades flat, rhombic-oval to obovate or elliptic, 6–35(–50) mm, apex mucronate, surfaces strigose or glabrous.

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

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

4–10-flowered, flowers ascending-spreading;

axis 0.5–2 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

erect or incurved-ascending, 5.5–14 cm.

incurved, 3.5–7 cm.

0.6–3.5 mm.

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.

23–34 mm;

calyx 12–17.5 mm, strigulose, tube 11–14 mm, lobes subulate, 2–4 mm;

corolla ochroleucous (fading yellowish), or white (fading off-white);

banner recurved through 40°;

keel 22–23 mm, apex blunt.

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 to declined, pallid-stramineous or brownish, straight or slightly incurved, cylindroid, inflated, 20–48 × 9–15 mm, moderately fleshy-thickened, becoming stiffly papery to leathery, strigose;

unilocular;

subsessile or substipitate.

34–55.

55–59.

= 22.