Flora of North America species comparison

prostrate to matted, clustered, usually unbranched.

decumbent to erect, clustered, branched or 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, clustered near base or not;

stipules 6–20 mm;

petiole 1–8(–12) cm;

leaflets 6–10, blades 10–45 × 4–18 mm, surfaces hairy.

10–16 cm;

flowers ± whorled.

4–40 cm, rachis usually deciduous or semideciduous;

flowers usually spirally arranged or loosely whorled.

3–15 cm;

bracts deciduous, 4–5(–10) mm.

5–13 cm;

bracts deciduous, 4–24 mm.

2–4 mm.

3–10 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.

10–18 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 6–10 mm, adaxial lobe deeply divided, 6–8 mm;

corolla violet to lavender, patch usually yellow, rarely white, turning purple, banner usually hairy abaxially, rarely glabrous, keel usually unlobed proximally, adaxial margin usually ciliate middle to tip, abaxial margins glabrous.

2–3.5 cm, hairy.

3–5 cm, hairy.

deciduous, petiolate.

deciduous, petiolate.

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

4–9, mottled tan, 4–6 mm.