Flora of North America species comparison

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

decumbent or prostrate, often with 2+ apparent internodes, internodes to 1–1.5 cm, hirsute or tomentose.

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.

2.5–7 cm;

stipules 3–8 mm, submembranous;

leaflets (7 or)9–17, blades broadly obovate to oblong-obovate or obovate-cuneate, (2–)3–12 mm, apex obtuse or emarginate, surfaces hirsute and tomentose.

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

axis (2–)2.5–12(–17) cm in fruit;

bracts 1–3 mm.

(3 or)4–10-flowered, flowers ascending;

axis 0.5–3 cm in fruit;

bracts 4–6.5 mm;

bracteoles 2.

erect, 2.5–13 cm.

incurved-ascending, decumbent in fruit, 2.5–6.5 cm.

0.8–4(–4.8) mm.

1.7–4.5 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.

(22–)24–29 mm;

calyx cylindro-campanulate, (11.5–)12.5–16 mm, densely hirsute, tube (8–)9.2–12.4 mm, lobes broadly subulate, 3–4.3 mm;

corolla pink-purple, wing and keel tips maculate;

banner recurved through 40°;

keel (21.5–)24–27.5 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.

ascending (humistrate), ± straight proximally, gently incurved distally, obliquely lanceoloid-ellipsoid, obcompressed proximally, (25–)30–50 × 10–15 mm, unilocular, fleshy becoming leathery, densely hirsute, hairs lustrous, wavy or contorted, (1–)2–2.5 mm.

42–71(–76).

40–50.