Flora of North America species comparison

usually several, 1.5–6 dm.

petiole 0.3–2.5(–3.5) cm;

blade obovate-oblong, 2.5–8 cm × 3–10 mm, base cuneate to attenuate, margins entire, sinuate, or pinnatifid, apex acute or obtuse, surfaces densely pubescent.

blade oblanceolate to linear.

considerably elongated in fruit.

sepals yellowish, 1.5–2 × 0.5–1 mm, scarious at margins, finely pubescent;

petals 3–4.5 × 1.2–2 mm, attenuate to clawlike base;

filaments with basal wing or appendage to 0.5 mm, 1.2–2 mm;

anthers 0.3–0.5 mm.

3–8 mm.

divaricate-ascending, ellipsoid to obovoid, inflated at middle, slightly flattened at margin, 3–6 × 2–4 mm;

style slender.

winged throughout, 1.5–1.8 mm diam.;

wing 0.1–0.3 mm wide.

= 16.