Helianthus porteri

A sunflower that is actually rather rare and does not occur in the wild in Indiana. But I'll stick it in here anyways...

A pseudanthium at the Botany Experimental Field in Bloomington, 9/2/03.

Side view of a pseudanthium at the Botany Experimental Field, 9/2/03.

Leaves at the Botany Experimental Field, 9/2/03.

Abaxial view of a pseudanthium at the Botany Experimental Field, 9/2/03.