Flora of North America species comparison

erect, clustered, unbranched or branched.

cauline, yellow-green;

stipules 12–30 mm;

proximal petioles 5–10 cm, distal ones 2 cm;

leaflets 4–9, blades 30–110 × 5–11 mm, adaxial surface villous, hairs greater than 1 mm.

2–6 cm, usually exceeding leaves;

flowers spirally arranged or whorled.

2–6 cm;

bracts persistent, 7–15 mm.

2–5 mm.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 6–11 mm, adaxial lobe 2-toothed, 6–8 mm;

corolla light blue, banner patch yellow, banner glabrous abaxially, lower keel margins glabrous, adaxial margin sparsely ciliate ± middle to tip.

2.5–4 cm, woolly.

deciduous, petiolate.

4–6, beige, mottled dark, 3–4 mm.