Flora of North America species comparison

very short, tufted, branched.

erect or slightly spreading, clustered, unbranched or branched distally.

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.

cauline;

stipules 10–15 mm;

proximal petioles (3–)5–14 cm, distal ones (1–)2–4 cm;

leaflets 5–8, blades 35–80 × 2–5 mm, adaxial surface pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

6–20 cm;

flowers in 4–8 distinct whorls.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

6–12 cm;

bracts semideciduous, 4–10 mm.

0.3–1.5 mm.

2–4 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.

8–18 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed or entire, 5–7 mm, adaxial lobe 2-toothed, 7 mm;

corolla blue, banner patch white to yellowish, banner glabrous abaxially, lower keel margins glabrous, adaxial keel sparsely ciliate.

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

2–3 cm, densely hairy.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

6–8.