Flora of North America species comparison

decumbent to ascending or erect, villosulous.

decumbent or curved-ascending, glabrous.

3–9(–10.5) cm;

stipules distinct, 2–5(–7) mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–21(–25), blades oblong-oblanceolate, narrowly obovate-cuneate, or linear-elliptic, 4–20(–22) mm, apex truncate-retuse to obtuse or retuse, surfaces villosulous abaxially, strigose to glabrescent or glabrous adaxially.

2–10 cm;

stipules 3–6 mm, membranous becoming papery-scarious;

leaflets 13–21, blades elliptic to oblong, oblanceolate, or obovate, 2–12 mm, apex obtuse to truncate, surfaces glabrous.

(10–)15–40(–55)-flowered;

axis (3–)4–12(–18) cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

(5 or)6–9-flowered, flowers spreading to ascending;

axis 3–5.5 cm in fruit;

bracts 2.2–2.5 mm;

bracteoles 1 or 2.

erect or incurved-ascending, (4–)5–16 cm.

erect or ascending, 4.5–8.8 cm.

0.8–2.8 mm.

2–3.5 mm.

(10.5–)12–17.2 mm;

calyx campanulate to broadly cylindric, gibbous-saccate, 7–12.3 mm, strigose, tube 5.8–9.4 mm, lobes lanceolate to triangular-subulate or triangular, (0.8–)1–2.7(–3.5) mm;

corolla cream to pale lemon yellow;

banner usually sigmoidally arched and apex very abruptly and strongly folded over calyx to more than 100°, sometimes recurved through 50°;

keel 8.7–13.2 mm.

17–21 mm;

calyx greenish to stramineous, 6.3–8 mm, sparsely black-strigose, tube 5–6 mm, lobes subulate, 1.3–2 mm;

corolla white;

banner recurved through 30°;

keel 13–15 mm, apex obtuse.

pendulous, stramineous, straight or gently incurved, linear-oblong or obliquely ovoid-oblong, laterally compressed, 7–25 × 2.3–4.2 mm, somewhat fleshy becoming leathery, usually villosulous or strigulose, rarely glabrous;

stipe (3.5–)5–15 mm.

ascending, stramineous, straight, oblong-ellipsoid to lanceoloid-ellipsoid, inflated, 15–23 × 6–11 mm, thinly leathery, scabrid-pubescent;

unilocular;

stipe 2–2.5 mm.

(7 or)8–18.

20–38.