Flora of North America species comparison

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

erect or erect to decumbent, branching frequently at distal nodes or several-branched from base, branches spreading or ascending, 1–6 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 1/5–2/5 blade;

blade ovate to ovate-lanceolate or broadly lanceolate, 2.5–10(–13) × 0.5–6(–7) cm, base truncate to rounded, margins entire to coarsely dentate or irregularly crenate-dentate with only a few teeth.

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

5–18 mm, 12–35 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 (5–)7–12 mm, sparsely strigose with short, antrorse hairs, lobes 3–6 mm;

corolla yellow with 5 purple-brown smudges, campanulate-rotate, 10–20 mm;

anthers yellow or blue-tinged, not twisted after dehiscence, 2–4 mm.

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

loosely enclosing berry, 10-ribbed, 20–40 × 15–30 mm.

= 24.

= 24.