Flora of North America species comparison

erect, unbranched or sparsely branched distally, usually hollow.

very short, tufted, branched.

cauline;

stipules 4–12 mm, longer proximally becoming smaller distally;

petiole (2–)5–10(–15) cm;

leaflets 7–11, blades (15–)20–45(–50) × 4–15 mm, abaxial surface appressed to spreading hairy, strigose, adaxial surface green, glabrous.

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.

8–20(–30) cm;

flowers spirally arranged or whorled.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

(2.5–)4–9 cm;

bracts tardily deciduous, 3–6 mm.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

(3–)5–7(–10) mm.

0.3–1.5 mm.

(8–)12–16 mm;

calyx abaxial lobe slightly 3-dentate, 5–6 mm, adaxial lobe notched, 4–5 mm;

corolla usually blue, sometimes pink or white, banner glabrous abaxially, upper keel margins ciliate.

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.

3–5 cm, villous.

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

deciduous, petiolate.

persistent, disclike, sessile.

5 or 6.

1 or 2, smooth.

= 48, 96.