Flora of North America species comparison

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

decumbent to ascending or erect, 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.

3.5–10 cm;

stipules 1–2.5 mm, thinly herbaceous becoming papery;

leaflets (3–)9–19, blades oblong to linear or oval, 3–13 mm, apex obtuse to retuse, 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.

9–25-flowered, flowers ascending to declined;

axis 1.5–14(–17) cm in fruit;

bracts 0.8–1.5 mm;

bracteoles 0.

erect, 2.5–13 cm.

ascending, 1.5–7.5 cm.

0.8–4(–4.8) mm.

0.8–1.5 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.

6.5–8.5 mm;

calyx 3.5–4.2 mm, strigose, tube 2.5–3.5 mm, lobes triangular, 0.7–1.1 mm;

corolla pink-purple with white wing tips;

banner recurved through 50–90°;

keel 5–6 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.

pendulous, stramineous, incurved or straight, oblong, 3-sided compressed, 10–15(–17) × 2.2–3 mm, thinly fleshy becoming papery, strigose;

septum 0.8–1 mm wide;

stipe 1.4–2.5 mm.

42–71(–76).

10–13.

= 22.