Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

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.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

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

axis 0.5–3 cm in fruit;

bracts 4–6.5 mm;

bracteoles 2.

(2–)4–11 cm.

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

0.6–1.5 mm.

1.7–4.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

(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.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

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.

12–16.

40–50.