Flora of North America species comparison

prostrate to matted, clustered, usually unbranched.

solitary, erect, slender, usually unbranched.

usually basal;

stipules 4–10 mm;

petiole 5–12 cm;

leaflets 5–11, blades 10–35 × 4–7 mm, adaxial surface hairs ± spreading, dense, tomentose to woolly.

cauline;

stipules 7–9 mm;

petiole to 1 cm;

leaflets 6 or 7, blades 10–40 × 4–10 mm, adaxial surface glabrous.

10–16 cm;

flowers ± whorled.

4–16 cm;

flowers ± whorled or not.

3–15 cm;

bracts deciduous, 4–5(–10) mm.

2–6 cm;

bracts deciduous, 8–10 mm.

2–4 mm.

5–6 mm.

fragrant, 10–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–12 mm, adaxial lobe deeply 2-toothed, 5–10 mm;

corolla deep purple to light blue, banner patch yellow turning reddish, banner glabrous or hairy abaxially, lower keel margins usually ciliate near base, adaxial margin densely hairy.

8–10(–12) mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–5 mm, adaxial lobe 2-toothed, 3–8 mm;

corolla whitish to dull blue (at least in bud), often fading to pale yellow, banner glabrous abaxially, keel glabrous, tip sometimes exserted.

2–3.5 cm, hairy.

1.5–2.5 cm, white-hairy, dark when dry.

deciduous, petiolate.

deciduous, petiolate.

4–6, mottled gray-brown with dark lateral line, 3–4 mm.

3 or 4, 4–5 mm.