KEAKI TREE LEAF

45 million years

Period: Eocene
Location: Green River Formation, Wyoming, USA

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Zelkova serrate is native to Japan, Korea, China and Taiwan. In Japan, it is known as keaki, a deciduous tree growing from 20 to 35 meters (65 to 114 feet) tall, with quite broad leaves. Like all other plants, keaki have remained the same since the time they first existed, and fossil record supports this. The fossilized keaki leaf pictured is 45 million years old, but identical to the keaki leaves of today.

Detailed Pictures

Living Example

SP0452