Flora of North America species comparison

unbranched or branched distally, 1.5–4(–6) dm, densely to moderately hirsute-hispidulous basally, trichomes simple, to 3.5 mm, mixed with fewer, branched ones, (glabrescent distally).

persistent after anthesis (into fruiting).

blade lanceolate to oblong, (1–)2–6(–9) cm × 2–10(–20) mm, base sagittate or minutely auriculate, margins entire or irregularly denticulate, (often subciliate), apex acute, surfaces pubescent, trichomes primarily simple.

sepals (2.7–)3–4(–4.5) × 0.5–1 mm;

petals white or creamy white, (5–)6–8(–9) × 1.5–2 mm;

filaments 2–3.5 mm;

anthers ca. 0.5 mm.

ascending to divaricate, 7–10(–14) mm.

pyriform to obovoid, 5–7 × 3.5–5 mm, apex acute;

valves each obscurely veined, margin narrowly winged;

style 2–3 mm.

brown, 1.2–1.5 × 0.5–0.6 mm.

= 12, 26.