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).

unbranched or branched distally, 2–7(–10) dm, glabrous or pubescent basally, trichomes branched, minute.

persistent after anthesis (into fruiting).

often withered by anthesis.

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.

blade lanceolate, narrowly oblong, or linear-lanceolate, pinnatifid or sinuate-dentate, (1.5–)2.5–7(–10) cm × 2–10(–20) mm, base sagittate or strongly auriculate, margins usually coarsely dentate to lobed, rarely entire, apex acute, surfaces glabrescent or sparsely pubescent, trichomes primarily forked.

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.

sepals 2–4.2 × 0.7–1.5 mm;

petals pale yellow, (3.5–)4–6.5 × 1.5–2 mm;

filaments 2–3.5 mm;

anthers ca. 0.5 mm.

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

ascending to divaricate, 15–30(–40) mm.

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

valves each obscurely veined, margin narrowly winged;

style 2–3 mm.

depressed globose, 7–11 × (5.5–)6.5–8(–9) mm (almost as long as wide, or longer), apex subtruncate or, rarely, rounded;

valves each with prominent midvein, margin obscurely or narrowly winged;

style 1.2–2.5 mm.

brown, 1.2–1.5 × 0.5–0.6 mm.

reddish or yellowish brown, (1.8–)2–3 × 0.7–1 mm.

= 12, 26.

= 40.