Flora of North America species comparison

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

osolete, 0–6 cm, internodes mostly obscured by stipules, 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.

1.2–8 cm;

stipules distinct throughout, 2–6 mm;

leaflets (5–)9–19(or 21), blades elliptic to oval or oblanceolate, 2–9 mm, apex acute to obtuse, surfaces strigose abaxially, strigose or glabrous adaxially.

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

axis (2–)2.5–12(–17) cm in fruit;

bracts 1–3 mm.

3–9(–12)-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracteoles 0–2.

erect, 2.5–13 cm.

0.7–9(–10) cm.

0.8–4(–4.8) 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.

11–17 mm;

calyx purplish, cylindric, 6.2–8 mm, strigulose, tube 4.8–6.7 mm, lobes subulate, 1.2–2 mm;

corolla pink-purple or bicolored;

keel 9–11.5 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.

spreading-descending (humistrate), green, usually purple-mottled, becoming stramineous, incurved, oblong to oblong-lanceoloid, 3-sided compressed, 15–27(–37) × 3–4(–5) mm, ± bilocular, thinly fleshy becoming papery, strigose;

sessile.

42–71(–76).

16–28.

= 22.