Flora of North America species comparison

erect or stiffly ascending, stout, with 5–10 well-developed internodes, pilose and tomentulose.

clustered, decumbent to ascending or straggling, often conspicuously flexuous, diffuse, strigulose.

(9–)13–35 cm;

stipules distinct 6–17 mm, herbaceous;

leaflet blades broadly to narrowly elliptic, ovate, oblong-elliptic, or rhombic-elliptic, (7–)10–55 mm, apex acute or abruptly short-acuminate, often callous-apiculate, surfaces pilose and tomentulose.

(3–)5–13 cm;

stipules 1.5–5 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (5 or)7–17, blades linear, linear-oblanceolate, or narrowly oblong, 3–23 mm, apex obtuse or retuse, surfaces strigulose or, sometimes, glabrescent or glabrous adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

(3–)7–21-flowered;

axis (1–)2.5–6.5 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

erect, (8–)10–27 cm, together with racemes shorter than stems.

4–9.5 cm.

(1.2–)1.5–9 mm.

1–2.5 mm.

(14.4–)15.5–22 mm;

calyx (7.8–)10–14.7 mm, silky-pilose or tomentulose, tube (6–)7–8.7 mm, lobes lanceolate-acuminate or linear-lanceolate, 3–6.5 mm;

corolla immaculate;

keel (11.5–)12–15.1 mm.

13–16.3 mm;

calyx 5.9–8 mm, strigulose, hairs white, black, and brown, tube 5.3–7 mm, not swollen or gibbous proximally, marcescent, lobes triangular, 0.5–1.3 mm;

corolla whitish, banner and wing tips tinged with lilac, keel maculate;

keel 10–12.1 mm.

stiffly erect, becoming brownish stramineous then blackish, 15–25 × 8–13 mm, fleshy becoming leathery, glabrous.

pendulous, brown-stramineous, ± straight to sigmoidally incurved through 0.5 spiral, lunately or falcately ellipsoid, subterete becoming laterally compressed, 20–35 × (5.5–)6.5–9 mm, stiffly leathery or subligneous, strigulose;

stipe 12–20 mm, arched downward from calyx, distally sigmoidal-incurved.

30–36.

= 22.