Flora of North America species comparison

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

decumbent to ascending, villosulous.

(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.

2–7 cm;

stipules 2–4.5 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–17(or 19), blades obovate-cuneate or oblong-oblanceolate, (4–)6–16 mm, apex truncate-retuse to obtuse, surfaces villosulous.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

8–16-flowered;

axis 1.5–4.5 cm in fruit;

bracts 2–3 mm;

bracteoles usually 2.

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

erect or incurved-ascending, 4.5–12 cm.

(1.2–)1.5–9 mm.

1.5–3.5 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.

16.6–20 mm;

calyx 9–11.5 mm, densely villosulous, tube 6.9–8.5 mm, not swollen or gibbous proximally, marcescent, lobes triangular, 1.4–3 mm;

corolla whitish, keel tip faintly maculate;

keel 12–13.4 mm.

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

spreading or pendulous, stramineous, lunate- or hamate-incurved, laterally falcately oblong, laterally compressed, 18–30 × (4–)5–7 mm, fleshy becoming leathery, densely villosulous;

stipe 5–8 mm.

24–30.

= 22.

= 22.