Flora of North America species comparison

ascending-erect, clustered, branched.

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

cauline;

stipules not leaflike, green to silvery, 5–18 mm;

petiole 2–7 cm;

leaflets 5–10, blades 20–70 × 5–14 mm, adaxial surface pubescent.

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.

open, 10–44 cm;

flowers usually whorled.

1.8–30 cm;

flowers in 1–15 whorls.

2–12 cm;

bracts deciduous, 6–16 mm.

(1–)4–9.5 cm;

bracts deciduous, 1–5 mm.

2–7 mm.

1–8 cm.

(8–)12–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–13 mm, adaxial lobe 2-toothed, 6–12 mm;

corolla usually purple, rarely yellowish white, banner patch indistinct, banner glabrous abaxially, keel strongly upcurved, glabrous, banner and wings narrow, not covering tip.

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.

2–5 cm, silky.

3–6 cm, silky.

deciduous, petiolate.

deciduous, petiolate.

3–7, gray to tan, mottled tan, 4–7 mm.

7–11.

= 48.