Flora of North America species comparison

erect, unbranched or branched distally, hollow.

prostrate to matted, clustered, usually unbranched.

basal and cauline, green;

stipules 5–20 mm;

basal petioles 10–25 cm, cauline 1–4 cm;

leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm.

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.

5–28 cm, usually exceeding leaves;

flowers dense.

10–16 cm;

flowers ± whorled.

4–17 cm;

bracts persistent, 5–10 mm.

3–15 cm;

bracts deciduous, 4–5(–10) mm.

1–3 mm.

2–4 mm.

10–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate.

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.

1.5–2 cm, hairy to woolly.

2–3.5 cm, hairy.

deciduous, petiolate.

deciduous, petiolate.

4–6, brown, mottled tan, 3–4 mm.

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