Flora of North America species comparison

decumbent, trailing, erect, or ascending, mostly strigulose or villosulous, often glabrous or glabrate at proximal nodes.

obscured by marcescent leaf bases and stipules.

5–16(–18) cm;

stipules distinct 1.5–6.5 mm, papery at proximal nodes, firm or submembranous at distal nodes;

leaflets (11 or)13–25, blades ovate, obovate, oblong-elliptic, elliptic, lanceolate-oblong, oblanceolate, or linear-oblong, 5–25(–30) mm, apex usually obtuse, retuse, or truncate and apiculate, rarely subacute, surfaces glabrous.

mostly reduced to phyllodia, 1–2.5 cm;

stipules connate-sheathing throughout, 1.5–5 mm, membranous;

phyllodia oblanceolate or spatulate proximally, linear-oblanceolate distally, 10–25 mm, apex acute or subacute, surfaces strigose.

(10–)12–30(–35)-flowered, flowers subhorizontal or ascending;

axis (2–)2.5–12(–17) cm in fruit;

bracts 1–3 mm.

densely 1–4-flowered;

axis 0–0.5 cm in fruit;

bracts 0.6–1 mm;

bracteoles 0.

erect, 2.5–13 cm.

ascending, prostrate in fruit, 1–2.5 cm.

0.8–4(–4.8) mm.

0.6–1 mm.

(6.4–)7.8–13 mm;

calyx campanulate or ovoid-campanulate, 4–6.6 mm, strigulose, tube (2.5–)2.6–4.3 mm, lobes subulate, deltate, or triangular, 0.7–2.6 mm;

corolla ochroleucous, yellowish, or greenish white;

banner abruptly recurved through 60–90°, (6.4–)7.8–13 mm;

keel (6.2–)7.1–10.8 mm, apex narrowly deltate and triangular, subacute, somewhat beaklike.

5.2–7 mm;

calyx turbinate-campanulate, 2.5–3.3 mm, strigose, tube 1.7–2.1 mm, lobes subulate, 0.8–1.2 mm;

corolla pink purplish;

banner recurved through 50–70°;

keel 3.7–4.3 mm.

spreading or ascending (sometimes humistrate), pale green, sometimes purple-tinged or -speckled, becoming stramineous, obliquely ovoid, semi-ovoid or semi-ellipsoid, bladdery-inflated, somewhat obcompressed, 25–60 × 12–32 mm, beak prominent, papery, ± lustrous, usually strigulose, rarely glabrescent.

ascending, green, often red-mottled, becoming stramineous, straight or slightly curved, narrowly and obliquely lanceoloid to lanceoloid-ellipsoid, 3-sided compressed, 5.5–8.5 × 1.8–2.5 mm, papery, usually strigose, rarely glabrous;

sessile.

42–71(–76).

7–11.