Flora of North America species comparison

erect or spreading, branched or unbranched.

ascending to erect, clustered, unbranched or branched, sometimes thick, hollow.

cauline, basal when present withered by anthesis;

stipules 5–10 mm;

petiole 4–20 cm;

leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy.

cauline;

stipules 1–8 cm;

proximal petioles 3–8.5 cm, distal ones 2–7 cm;

leaflets 5–8(–15), blades (10–)20–50(–70) × 5–15 mm, abaxial surface long-villous, adaxial surface usually glabrous or glabrate.

16–60 cm;

flowers whorled or spirally arranged.

1.8–30 cm;

flowers in 1–15 whorls.

8–20 cm;

bracts deciduous, 8–12 mm.

(1–)4–9.5 cm;

bracts deciduous, 1–5 mm.

2–12 mm.

1–8 cm.

8–18 mm;

calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm;

corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin ciliate from claw to middle.

11–21 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or deeply lobed, 6–12 mm, adaxial lobe 2-lobed or cleft less than 1/3 length, 6–8 mm;

corolla usually bluish purple, sometimes pink, rarely white, banner glabrous abaxially, adaxial keel glabrous or densely ciliate along most of adaxial edge.

2–4.5 cm, ± densely hairy.

3–6 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

6–10, mottled dark brown, 3–4 mm.

7–11.