Flora of North America species comparison

erect or ascending, strigulose.

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

mostly in sub-basal cluster, (5–)8–20(–28) cm;

stipules connate-sheathing at proximal nodes, sometimes also at distal nodes, often connate at distal nodes, distalmost sometimes distinct, 3–10 mm, scarious becoming fragile;

leaflets (11–)15–27(–31), blades linear to narrowly lanceolate-elliptic or lanceolate-oblong to oblong, 2–25(–38) mm, apex obtuse to acute, surfaces usually strigulose, sometimes glabrescent 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.

(6–)10–28-flowered, flowers nodding;

axis 4–17 cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

6–30-flowered;

axis 2–15 cm in fruit;

bracts 1.5–5 mm;

bracteoles 0.

erect, 10–33 cm, together with racemes equaling or longer than stems.

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

0.8–4.5 mm.

0.7–1.2 mm.

(10.8–)11.6–16.4 mm;

calyx campanulate, 5.3–8.6 mm, strigulose-pilosulous, tube 3.2–4.9(–5.8) mm, lobes subulate, 1.6–3.8 mm;

corolla whitish, immaculate;

banner recurved through 90°;

keel (8.9–)9.3–12.6 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.

brownish, straight or slightly incurved, oblong-ellipsoid, 3-sided obcompressed, 16–27 × 4–7.5 mm, sub-bilocular, fleshy becoming stiffly leathery or woody, glabrous or strigulose;

valves inflexed, septum 0.4–1.3 mm wide;

stipe 3–5(–8) mm.

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

23–32.

(6–)8–17.

= 22.