Rudbeckia laciniata var. ampla (A. Nelson) Cronquist
Family: Asteraceae
Rudbeckia laciniata var. ampla image
Photo ©Al Schneider, swcoloradowildflowers.com  
Leaves: basal 20-50 × 10-25 cm, blades pinnately compound to pinnatifid (basal leaflets or lobes often pinnatifid); proximal and mid cauline blades 5-9-lobed; adaxial faces glabrous or sparsely hairy (hairs arching, 1-seriate). Receptacles ovoid; paleae 4.5-6.5 mm. Ray laminae 25-50 × 7-12 mm. Discs (17-)20-30 × 12-20 mm. Cypselae 4-5.5 mm; pappi mostly longer than 0.7 mm. 2n = 38. Flowering summer-fall. Wet sites, along streams, open meadows; 1700-2700 m; B.C.; Ariz., Colo., Mont., N.Mex., S.Dak., Wyo. Variety ampla grows west of the Great Plains. It is introduced in British Columbia.

Rudbeckia laciniata var. ampla image
Photo ©Al Schneider, swcoloradowildflowers.com  
Rudbeckia laciniata var. ampla image
Photo ©Al Schneider, swcoloradowildflowers.com  
Rudbeckia laciniata var. ampla image
Photo ©Al Schneider, swcoloradowildflowers.com  
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image
Rudbeckia laciniata var. ampla image