Flora of North America species comparison

5–60 cm.

6–70 cm.

blade lateral lobes usually well developed, terminal lobe narrowly ovate, to 9 × 3.5 cm, margins irregularly sinuate-dentate.

blade sometimes purple-dotted, lateral lobes often absent, sometimes present but poorly developed, terminal lobe narrowly ovate to ovate or subcordate, to 7 × 3 cm, margins serrate.

opening at sunset;

buds with conspicuous, subapical free tips;

floral tube orange-brown inside, 2.5–4.5 mm;

petals usually yellow, rarely white, not changing color in fading, 4.5–7 mm.

opening at sunset;

buds usually without free tips, rarely with apical free tips less than 1 mm;

floral tube orange-brown inside, 3–6 mm;

petals white, sometimes purple-dotted near base, fading purple, 4.5–8 mm.

= 14.

= 14.