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LEAVES
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UTAH
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SUMAC
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| Large Sumac Leaf With Dentate Margins |
| Stock Number FPURH05 |
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Name:
Rhus nigricans
Age: Eocene
Formation: Green River Formation
Location: Bonanza, Utah
Size: Leaf is almost 3 inches long
This is a very fine specimen of Rhus nigricans, a Sumac leaf, from the Green River Formation of Utah. This leaf is quite large for the type and is wonderfully complete. This type of leaf has an asymmetrical base and extremely dentate margins. The venation is easily seen, and even the tiny tip of the leaf is intact. The dark brown color of the fossil plant contrasts nicely with the khaki-colored matrix. The leaf is well centered on the natural plate of shale. This is an excellent example of a Sumac leaf from the Eocene.
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