Flora of North America species comparison

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

erect to decumbent, branching at most nodes, branches spreading and decumbent, 1.5–10 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 1/3–2/3 blade;

blade broadly ovate to suborbiculate, (2–)4–11(–13) × 3–9(–10) cm, base truncate to slightly cordate, margins deeply and irregularly dentate to ± entire.

slender, 3.5–9 mm, 5–15 mm in fruit.

9–15(–20) mm, 20–30 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 6–12 mm, lobes 3–6 mm;

corolla yellow with 5 large purple-brown smudges, campanulate-rotate, 10–17 mm;

anthers yellow, rarely blue-tinged, not twisted after dehiscence, 2.5–4.5 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 × 15–30 mm.

= 24.

= 24.