Flora of North America species comparison

decumbent to procumbent, (slender), 1–5 dm.

blade (oblanceolate), 3–10 cm × 10–30 mm, margins sinuate-dentate to somewhat lobed or incised, surfaces densely pubescent.

blade obovate-elliptic to oblong, 1–4 cm × 5–20 mm, base cuneate to auriculate (narrowed toward base), margins sinuate-dentate to incised, (surfaces densely pubescent).

sepals (green), 4–5.5 × 1.5–2 mm, (nearly acuminate), pubescent or hirsute (trichomes branched);

petals light yellow (often drying purplish), 5–9 × 4–6 mm, (claw relatively short), apex rounded;

filaments not dilated basally, (2.5–3.5 mm, anthers sagittate, 2–3 mm, glands with horn-like projections at base of filaments).

recurved, slightly curved, 1–3 cm, (racemes lax in fruit), densely pubescent.

sessile, orbicular, elliptic, or cordate, 5–9 × 4–9 mm, (angustiseptate or slightly so);

valves (rounded or strongly keeled), densely pubescent, trichomes branched, sometimes with simple, larger ones;

replum oblong to nearly elliptical;

septum complete, (transparent);

ovules 14–32 per ovary, (attached in proximal 1/2);

style 1–1.5 mm;

stigma expanded.

suborbicular (slightly longer than broad), 1–2.2 mm.