Flora of North America species comparison

very short, tufted, branched.

erect or ascending, green or purplish, clustered, branched or unbranched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

basal and/or cauline;

stipules 2–12 mm;

petiole 1–15 cm;

leaflets (5 or)6–10, blades 10–60 × 4–10 mm, abaxial surface hairy, adaxial surface glabrous or hairy (but not strigose).

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

loose, 5–16(–25) cm;

flowers whorled or not.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

(1–)4–25(–30) cm;

bracts usually deciduous, 3–4 mm.

0.3–1.5 mm.

(1–)2–5(–7) mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

5–15 mm;

calyx 4–8 mm, bulge or spur 0–3 mm (may be variable on plant), abaxial lobe entire or 3-toothed, adaxial lobe entire or 2-toothed;

corolla usually blue, sometimes purple, violet, pink, lilac, or white, banner patch yellowish to whitish, blue, brown, or absent, banner not much reflexed-recurved beyond midpoint, this less than 3 mm proximal to apex, banner glabrous or pubescent abaxially, wings glabrous, lower keel margins glabrous, upper margins ciliate.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

(1–)2–3 cm, hairy or silky.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

(2 or)3–5(or 6), tan, brown, or red.