Flora of North America species comparison

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

spreading or prostrate, sparsely strigulose.

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.

(1–)2.5–8.5 cm;

stipules connate-clasping and membranous becoming papery-scarious at proximal nodes, connate or distinct and subherbaceous at distal nodes, 1–7 mm;

leaflets 7–17(or 19), blades oblanceolate to obovate, ovate, or elliptic, 2–15(–17) mm, apex rounded to emarginate or acute, surfaces strigose abaxially, glabrous adaxially.

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

axis (2–)2.5–12(–17) cm in fruit;

bracts 1–3 mm.

compactly or loosely 3–16-flowered;

axis 0.5–10 cm in fruit;

bracts 0.5–2.5 mm;

bracteoles 0.

erect, 2.5–13 cm.

1.5–12.5(–18.5) cm.

0.8–4(–4.8) mm.

0.7–2.2 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.

(7–)8–12 mm;

calyx 3.8–6.1(–7.2) mm, black-strigose, tube 2.4–3.8 mm, lobes subulate, 1.2–2.4 mm;

corolla pink-purple suffused with purple or partly white;

banner recurved through 40–45°;

keel (5.3–)5.5–8.9 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 to spreading, stramineous, straight or slightly curved, obliquely ovoid, somewhat 3-sided compressed, swollen, slightly bladdery, (4.5–)7–10(–12) × (2.2–)3–4.5 mm, papery-membranous, translucent, strigose;

gynophore 0.3–1 mm.

42–71(–76).

2–10.

= 24, 32.