Palm Fossils from Subarctic Canada Imply Ice-Free Winters 48 Million Years Ago

Palm trees of the tribe Trachycarpeae once thrived in what is now subarctic Canada, according to an analysis of fossilized phytoliths -- microscopic siliceous structures produced in specific tissues by many plant families -- from Canada’s Northwest Territories. The post Palm Fossils from Subarctic Canada Imply Ice-Free Winters 48 Million Years Ago appeared first on Sci.News: Breaking Science News.

Feb 20, 2025 - 11:30
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Palm Fossils from Subarctic Canada Imply Ice-Free Winters 48 Million Years Ago
Palm phytoliths from the Eocene Giraffe locality (a-q) and modern phytoliths extracted from foliage of the coryphoid palm Trachycarpus fortunei. Image credit: Siver et al., doi: 10.1093/aob/mcaf021.

Palm trees of the tribe Trachycarpeae once thrived in what is now subarctic Canada, according to an analysis of fossilized phytoliths -- microscopic siliceous structures produced in specific tissues by many plant families -- from Canada’s Northwest Territories.

The post Palm Fossils from Subarctic Canada Imply Ice-Free Winters 48 Million Years Ago appeared first on Sci.News: Breaking Science News.

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