Flora of North America species comparison

erect to decumbent, branching at most nodes, proximal branches spreading and decumbent, 0.5–5 dm.

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

sessile or petiolate;

petiole 1/5 to as long as blade;

blade orbiculate to broadly ovate or elliptic to spatulate, 1.5–8(–9) × 1–6(–8) cm, base truncate to attenuate, margins coarsely dentate, sinuate, or entire.

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.

10–33 mm, 15–60 mm in fruit.

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

calyx (3.5–)5–9 mm, lobes 1.5–4 mm;

corolla yellow with 5 dark purple-black spots, campanulate-rotate, (8–)10–16 mm;

anthers yellow, rarely purple-tinged, not twisted after dehiscence, 2–5 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, 10-ribbed, 15–35(–45) × 10–35 mm.

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