Flora of North America species comparison

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

erect to decumbent, branching at most nodes, proximal branches spreading and decumbent, (0.5–)1.5–3(–4) 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 1/5–1/3 blade;

blade broadly elliptic to ovate (2–)3–7(–11) × 1.5–4(–7.5) cm, base rounded, margins entire, rarely irregularly shallowly sinuate.

slender, 3.5–9 mm, 5–15 mm in fruit.

10–25(–30) mm, 15–35(–45) 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 5–9 mm, lobes 2–4 mm;

corolla yellow with 5 dark purple-brown spots, campanulate-rotate, 10–16 mm;

anthers yellow, rarely purple-tinged, not twisted after dehiscence, 2.5–3.5 mm.

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

loosely enclosing berry, 10-ribbed, 20–35 × 15–25 mm.

= 24.

= 24.