Flora of North America species comparison

usually well branched, forming bushy habit, 20–100 cm.

cauline, mostly toward base;

petiole (0.7–)2.5–7.5 cm;

blade cordate-ovate to -orbiculate, 2.5–7.5 × 2.3–5.5 cm, smaller distally, margins erose-dentate.

nodding, congested.

floral tube 4.5–14 mm, villous inside;

sepals 3–9 mm;

petals yellow, 3–12 mm;

filaments 1–3 mm, anthers 2–4 mm;

style 8–23 mm, stigma surrounded by or exserted just beyond anthers at anthesis.

floral tube 9–14 mm;

petals 7–11 mm;

style 14–20 mm, stigma usually exserted beyond anthers at anthesis.

ascending, cylindrical, 20–55 mm;

pedicel 1–18 mm.

0.5–0.7 mm.

= 14.