Jurupa Oak, Ancient oak colony in Jurupa Mountains, California.
Jurupa Oak is a clonal colony of Palmer's oak in the Jurupa Mountains, composed of numerous individual stems growing from a single root system. The plant covers a relatively small ground area with stems of modest height.
The oak colony began growing approximately 13,000 years ago during the Pleistocene epoch and has persisted through clonal reproduction. It survived multiple wildfires by generating new stems from its root system over the millennia.
The oak and its surroundings have spiritual meaning for the Gabrieleño Band of Mission Indians, who have connections to this land.
The site sits in a mountainous area that may be challenging to reach, so sturdy footwear and preparation for uneven terrain are recommended. Bring plenty of water and plan your visit during cooler months if possible.
This is the only Palmer's oak of its kind in the entire Santa Ana River Watershed. Although it appears as a single tree, it consists of dozens of stems all fed by the same ancient root system.
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