Flora of North America species comparison

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

erect, usually branching from base and most nodes, branches spreading, 0.5–5 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 1/3–2/3 blade;

blade ovate-lanceolate to ovate, 1–5.5 × 1–3.5 cm, base deltate-truncate to slightly cordate, sometimes unequal, margins sinuate to coarsely and irregularly dentate, teeth few, sometimes only 1 tooth per side near base.

slender, 3.5–9 mm, 5–15 mm in fruit.

3–11(–17) mm, 10–15(–20) 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 5–8 mm, lobes 2–4 mm;

corolla yellow with 5 greenish to brown smudges, campanulate-rotate, (7–)10–12 mm;

anthers yellow or purple-tinged, not twisted after dehiscence, 1.5–3 mm.

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

loosely enclosing berry, 10-ribbed, 17–30(–35) × 15–25 mm.

= 24.

= 24.