Flora of North America species comparison

0.5–1.5(–2) dm.

petiole 0.5–2.5(–3.5) cm;

blade oblanceolate to obovate in outline, 0.3–1.5(–2) cm × 2–4(–7) mm, margins usually lyrate-pinnatifid, rarely dentate or entire;

lateral lobes obtuse.

0–4;

blade linear to oblong.

zygomorphic;

sepals 0.5–0.8(–1) × 0.4–0.6(–0.8) mm;

petals oblong to obovate, abaxial pair 1.5–2.5 × 0.6–1 mm, adaxial pair 0.5–1 × 0.3–0.4 mm;

stamens 6, tetradynamous;

filaments 0.8–1 mm, (basal appendage white, ca. 1/2 its length);

anthers 0.1–0.2 mm.

3–7 mm.

3–4.5 × 3–4.5 mm;

style ca. 0.1 mm.

1–1.2 × 0.9–1 mm.

= 36.