Pistia claibornensis E.W.Berry

Plant Fossil Names Registry Number: PFN001929

Act LSID: urn:lsid:plantfossilnames.org:act:1929

Rank: species

Reference: Berry, E. W. (1914): The Upper Cretaceous and Eocene floras of South Carolina and Georgia. – Professional Papers, United States Geological Survey 84: 1–200., link

Page of description: 137

Illustrations or figures: pl. 26, figs 1, 2

Types

Holotype USNM P 38264, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States
Figures: pl. XXVI, figs 1, 2

Note: Inventory number from Smithonian on-line database (https://collections.nmnh.si.edu/search/paleo/#new-search).

Original diagnosis/description

Leaves broadly ovate with a retuse apex giving them an orbiculate outline; 2.5 cm in length by 2.5 cm in greatest breadth. Base broadly cuneate. descending to the wide petiole. Apex with a shallow, broadly rounded sinus. Venation indistinct, fasciculate, forming irregular polygonal meshes by repeated cross branching. There are indications in the fossil of intumescence and inflation in the basal half of the leaf exactly comparable to conditions found in the existing species.

Stratigraphy

Paleogene, Eocene
Claiborne Group, McBean Formation, Congaree clay member

Locality

United States
Fiske property, Grovetown, Columbia County, Georgia

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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