Description

Glyptostrobus sp.
Miocene
Whitebird Flora
Whitebird, Idaho, USA

Very fine 1.2 inch leaf with 0.3 inch cone. Unusual.

Cone

Glyptostrobus is a genus of conifers that appeared during the Late Cretaceous and was well-established in North America during the Paleocene and Eocene – enough to contribute significantly to coal deposits of that interval.  Today, it is represented by a single species informally called the Chinese swamp cypress tree living in southeast Asia.