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Distinct Sumac Leaf with Dentate Margins
Stock Number  FPUSU301

Name:   Rhus nigricans (Sumac Leaf)
Age:  Eocene
Formation:  Green River Formation
Location:  Bonanza, Utah
Size:  Leaf is 3 inches long

This is a fine specimen of Rhus nigricans, a Sumac leaf, from the Green River Formation of Utah. This leaf is quite distinct and wonderfully complete. This type of leaf has an asymmetrical base and extremely dentate margins. The venation is easily seen, and the petiole of the leaf is fully intact. The dark brown color of the fossil plant contrasts nicely with the khaki-colored matrix. The leaf is well showcased on the squared plate of shale that also contains a large Crane Fly. This is an excellent example of a Sumac leaf from Utah.