Name:   Allophylus flexifolia Leaf Age:  Eocene Formation:  Green River Formation Location:  Bonanza, Utah Size:  Leaf is 4.6 long including petiole This is a very nice fossil leaf. It is a large Allophylus flexifolia leaf from the Eocene of Utah. This leaf has an asymmetrical base and slightly serrated margins. The body of the leaf is easily seen, and the petiole is still tightly attached to the base of the leaf. The leaf has good natural color and contrast and is wonderfully showcased on the semi-rectangular plate of shale. This is a very displayable example of an Allophylus leaf from the Green River Formation.