WAREA Nutt. Journ. Acad. Phila. 7: 83. p1. 10. 1834.
to the Species.
Leaves narrowly cuneate at the base; claws of the petals pecti nate-fimbriate. I. IV. cunei folia. Leaves rounded or auricled at the base.
Leaves sessile, not auricled at the base; claws of the petals gran lar-toothed. 2. IV. sessilifolia. Leaves clasping, auricled at the base; claws of the petals serrulate. 3. W. ampiextfolla.