Flora of North America species comparison

erect to decumbent, branching at most nodes, branches spreading and sometimes decumbent, 1–5 dm.

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

petiolate;

petiole mostly 1/2–2/3 blade;

blade narrowly elliptic-ovate to lanceolate, (1.5–)2.5–6.8(–8.3) × (0.7–)1–2.5(–5.4) cm, base attenuate to rounded, margins coarsely, deeply, irregularly dentate, teeth acuminate.

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.

(13–)20–34(–40) mm, (20–)25–35(–39) mm in fruit.

slender, 3.5–9 mm, 5–15 mm in fruit.

calyx (3–)4–5(–6) mm, lobes (1–)2–4 mm, (acute to acuminate);

corolla pale yellow to nearly white with green or darker yellow tinge, rotate, 5–15 mm;

anthers usually blue-tinged, rarely all blue or yellow, not twisted after dehiscence, 1–3 mm.

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.

nearly filled by berry, 10-ribbed, 15–25(–30) × 13–20(–22) mm.

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

= 24.

= 24.