Flora of North America species comparison

decumbent, spreading, many branched.

prostrate to matted, clustered, usually unbranched.

basal, clustered;

stipules 20–150 mm;

petiole 2.5–10 cm;

leaflet 1, blades 40–120 × 18–33 mm, adaxial surface densely sericeous or strigulose.

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.

8–30 cm;

flowers whorled.

10–16 cm;

flowers ± whorled.

3–4 cm;

bracts deciduous, 4–8 mm.

3–15 cm;

bracts deciduous, 4–5(–10) mm.

1–4 mm.

2–4 mm.

11–15 mm;

calyx abaxial lobe entire, 5–10 mm, adaxial lobe 3-fid with 2 linear laterals, 4–8 mm;

corolla light to deep blue, limb centrally white at base, banner spot white to cream, glabrous abaxially, keel glabrous.

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.

3–5 cm, appressed villous to sericeous.

2–3.5 cm, hairy.

deciduous, petiolate.

deciduous, petiolate.

4–7, gray mottled black, 4 mm.

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