Flora of North America species comparison

erect, branching at most nodes, branches spreading, 0.5–8 dm.

erect, branching occasionally, branches ascending, 1.5–5 dm.

petiolate;

petiole 1/5 to as long as blade;

blade broadly ovate to orbiculate, (1.6–)2.5–8(–9.5) × (1–)2–7 cm, base rounded to slightly cordate, margins entire or coarsely dentate, teeth fewer than 8 per side.

petiolate;

petiole 1/3–4/5 blade;

blade ovate, 2.5–7 × 1.5–6(–7) cm, base truncate, margins coarsely dentate or irregular to ± entire.

slender, 3.5–9 mm, 5–15 mm in fruit.

10–25(–35) mm, 20–40(–52) mm in fruit.

calyx 3–6(–7) mm, lobes 1–3.5 mm;

corolla yellow with 5 large, dark purple-brown-black spots, campanulate-rotate, 6–11 mm;

anthers blue, rarely yellow or blue-tinged, not twisted after dehiscence, 1–2 mm.

calyx 6–10(–12) mm, lobes 2.5–5.5 mm;

corolla yellow with 5 pale to dark brown smudges or dark purple-black spots, campanulate-rotate, 9.5–15(–17) mm;

anthers yellow, rarely blue- or purple-tinged, not twisted after dehiscence, 3–4 mm.

loosely enclosing berry, sharply 5-angled, 20–35 × 15–25(–30) mm, always noticeably longer than wide.

loosely enclosing berry, 10-ribbed, 25–40(–50) × 15–35 mm.

= 24.