ONLINE IMAGE COLLECTION

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Image Title: A compound leaf and scattered wing nuts of Polyptera manningii Manchester et Dilcher (extinct Juglandaceae)
Image Credit: Steven R. Manchester, University of Florida
AJB Editor: Karl Niklas, Cornell University
Intended End User: Teacher, Student
License Details: BSA - Terms for Image Use
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About the Image

A compound leaf and scattered wing nuts of Polyptera manningii Manchester et Dilcher (extinct Juglandaceae) in siltstone from the paleocene of southwestern Wyoming. Width of the specimen is 15 cm.

Link to the AJB Abstract for the article:

Reproductive and vegetative morphology of Polyptera (Juglandaceae) from the Paleocene of Wyoming and Montana

National Science Foundation  Development Supported by the National Science Foundation