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Acer wehri is an extinct species of maple found in the U.S. state of Washington and the Canadian province of British Columbia. The species was placed into the extinct Acer Section Glabroides based on similarity to other Eocene maple species. The species is only known from samaras.
Fruits eventually attributed to Acer wehri were first reported from the Chu Chua Formation in the North Thompson River valley of central eastern British Columbia. Further Eocene Okanagan Highlands occurrences have been found in the Allenby Formation at One Mile Creek near Princeton, Coldwater Beds outcrops at Quilchena, British Columbia, Tranquille Formation at the McAbee Fossil Beds, and the Klondike Mountain Formation around Republic, Washington. All five formations are of similar age, with radiometric dating at Princeton, Quilchena, McAbee, and Republic placing the sites in the Late Ypresian of the Early Eocene. While dating has not been performed on the Chu Chua shales, both floral and faunal correlations between the other Eocene Okanagan highlands sites confidently correlate all the sites.
Tapering Leaf Maple · Acer alaskense · Himalayan Maple · Acer amamiense · Broad Maple · Deep-veined Maple · Acer ashwilli · Bearded maple · Jalisco Maple · Acer brevipes · Acer browni · Trident maple
Text excerpted from the Wikipedia article Acer wehri by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
