Flora of North America species comparison

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

decumbent to ascending or erect, glabrous or strigose.

(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.

2–15 cm;

stipules 2–10 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–27, blades orbiculate, suborbiculate, elliptic, rhombic-elliptic, rhombic-ovate, oblong-ovate, ovate, or obovate, 3–25 mm, apex obtuse, truncate, retuse, or apiculate, surfaces glabrous or glabrate.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

7–16-flowered, flowers ascending;

axis 1–7 cm in fruit;

bracts 1–7 mm;

bracteoles 2.

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

erect or incurved-ascending, 3–15 cm.

(1.2–)1.5–9 mm.

1–3.5 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.

(16–)16.5–21 mm;

calyx short-cylindric to deeply campanulate, 7–13.5 mm, sparsely strigulose or glabrous, tube 3.5–6.8 mm, lobes subulate to lanceolate, 2–7.1 mm;

corolla ochroleucous, yellowish, whitish, cream, or purple (wing tips sometimes pale or white);

banner recurved through 90°;

keel 11.5–15.5 mm.

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

ascending to declined, pale green, often purple-mottled, becoming brownish or stramineous, sharply incurved, obliquely ellipsoid, dorsiventrally compressed, (15–)20–30 × 6–12 mm, fleshy becoming leathery, glabrous;

septum narrow, subobsolete, to 1.5 mm wide;

gynophore 1.5–5 mm.

18–41.

= 22.