Flora of North America species comparison

ascending, cespitose, branched.

palmate;

stipules ovate or lanceolate, 0.6–1.5 cm, margins entire, apex acute;

petiole 1–7 cm;

petiolules to 1 mm;

leaflets 3, blades obcordate, obovate, or elliptic, 1–1.9 × 0.5–1.1 cm, base cuneate, veins fine to slightly thickened, margins setose, apex obtuse, rounded, or emarginate, apiculate, surfaces glabrous.

terminal, 12–30-flowered, ovoid, 1–2 × 1.5–3 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

slender, bent distally, just below flowers, 5–20 cm.

strongly reflexed, 1–1.2 mm;

bracteoles minute, cuplike.

12–14 mm;

calyx deep violet, campanulate, gibbous, 3–5 mm, glabrous, veins 5, tube 1.5–2 mm, lobes unequal, triangular-subulate, orifice open;

corolla lavender to purplish, 11–12 mm, banner curved, oblanceolate, 10–12 × 3–4 mm, apex narrow, rounded, slightly emarginate.

ellipsoid, 3–4 mm.

1 or 2, brown, ellipsoid, 1.2–1.5 mm, smooth.