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Very Distinct Balloon Vine Leaf from Utah
Stock Number  FPUBV01

Name:   Cardiospermum coloradensis Leaf
Age:  Eocene
Formation:  Green River Formation
Location:  Bonanza, Utah
Size:  Leaf is 2.1 inches long including petiole

This is a beautiful specimen of Cardiospermum coloradensis, a Balloon Vine, from the Eocene of Utah. Living members of Cardiospermum are herbaceous (woody) vines. The fossil species appear to represent shrubs. The distinctly lobed leaf has very good color and contrast. The leaf is well centered on the semi-squared matrix plate. And there also seems to be a rare fibrous vine entwined around the leaf! This is a very fine example of a large balloon vine leaf from the Green River Shale.