Flora of North America species comparison

5–60 cm.

6–70 cm.

blade lateral lobes usually poorly developed or absent, terminal lobe lanceolate, to 5 × 2.8 cm, margins irregularly serrate-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.

usually opening at sunset;

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

floral tube orange-brown inside, 3.5–6 mm;

petals bright yellow, sometimes red-dotted in proximal 1/2, fading pale orange, 3.5–7 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.