Flora of North America species comparison

decumbent to ascending or erect, villosulous.

decumbent to ascending or erect, usually strigulose, rarely pilose-pilosulous, usually cinereous or canescent, rarely greenish.

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.

3–15(–18) cm;

stipules connate, 2–10 mm, papery-scarious;

leaflets (5–)9–21, blades linear, narrowly oblong, or oblanceolate to ovate, 3–31 mm, apex obtuse to acute, surfaces silvery-strigose, rarely greenish, or glabrate or glabrous adaxially.

(10–)15–40(–55)-flowered;

axis (3–)4–12(–18) cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

6–30-flowered;

axis 2–15 cm in fruit;

bracts 1.5–5 mm;

bracteoles 0.

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

erect or ascending, (3–)5–23 cm, surpassing subtending leaves.

0.8–2.8 mm.

0.7–1.2 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.

9–17.8 mm;

calyx campanulate, 4–10 mm, pilosulous, strigulose, or hirsute, tube 3–5.2 mm, lobes broadly subulate to narrowly triangular, 2–6 mm;

corolla usually cream, lemon yellow, white, stramineous, reddish lilac, reddish purple, blue, rarely pink-purple or suffused with pale pink or purple;

banner recurved through 45(–90)°;

keel 6.5–10 mm.

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.

erect, stramineous, straight, oblong, dorsiventrally compressed, 7–13 × 3.5–5.5 mm, somewhat fleshy becoming leathery or stiffly papery, strigose.

(7 or)8–18.

(6–)8–17.