Flora of North America species comparison

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

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.

6–30-flowered;

axis 2–15 cm in fruit;

bracts 1.5–5 mm;

bracteoles 0.

5–10 cm.

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

0.7–1.2 mm.

9–10.5 mm;

calyx 6–10 mm, hirsute, tube 3–4.5 mm;

corolla usually reddish lilac, reddish purple, or blue, rarely white.

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.

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

8–11.

(6–)8–17.