Flora of North America species comparison

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

erect or ascending, sparsely to densely 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–)4.5–18 cm;

stipules 3–11 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–25, blades ovate, oblong, elliptic, or narrowly oblong to linear, 5–26 mm, apex obtuse to retuse, surfaces strigose abaxially, usually glabrous adaxially, sometimes glabrate.

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

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

(7–)10–26(–30)-flowered, flowers ascending to declined;

axis 4–10(–15) cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

erect or incurved-ascending, 5.5–14 cm.

erect, (1.5–)2.5–17(–35) cm.

0.6–3.5 mm.

spreading in fruit, 0.7–3.5 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.

12–20 mm;

calyx short-cylindric, 5.4–9.5 mm, strigose, tube 4.4–8 mm, lobes triangular to subulate, 0.7–2.6 mm;

corolla ochroleucous, tinged pink, purplish, pink-purple, or red-violet, keel maculate or immaculate;

banner recurved through 45°;

keel 9.4–14.4 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.

usually erect, rarely deflexed, green or suffused or speckled with purple becoming brownish stramineous, oblong to ellipsoid, 3-sided compressed, grooved dorsally, keeled ventrally, 12–27(–30) × 3.5–8(–9) mm, base cuneate, ± bilocular, fleshy becoming thinly or stiffly leathery, glabrous;

septum 0.5–1.2 mm wide;

stipe 6–15(–17) mm.

34–55.

17–32.

= 22.

= 22, 24.