Celtis popsii E.A.Wheeler et Manchester

Plant Fossil Names Registry Number: PFN002695

Act LSID: urn:lsid:plantfossilnames.org:act:2695

Authors: E. A. Wheeler & S. R. Manchester

Rank: species

Reference: Wheeler, E. A. & Manchester, S. R. (2022): A diverse assemblage of Late Eocene woods from Oregon, western USA. – Fossil Imprint 77(2): 299–329.

Page of description: 302

Illustrations or figures: text-fig. 2a–f


Original diagnosis/description

Growth rings distinct, wood ring-porous to semi-ring-porous, earlywood zone with multiple rows of earlywood vessels, latewood vessels in diagonal-tangential arrangement. Perforations simple. Intervessel pitting crowded alternate; vessel-ray pitting oval with reduced borders. Axial parenchyma paratracheal, vasicentric to confluent. Rays <10-seriate, heterocellular, sheath cells present


Named in honor of Raymond “Pops” Shepherd, who loved and respected the natural beauty of our earth, father of Mark Shepherd, generous supporter of the J. C. Raulston Arboretum.


Paleogene, Eocene
John Day Formation


United States
UF 279, about 3 km east of Post, Crook County, Oregon

Plant fossil remain

fossil wood


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