At the URLs
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of growth patterns) and
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(close-up of foliage) I've uploaded images of the rare Ione manzanita, which grows in the wild only within the Ione Basin--an area roughly 20 miles long by one to four miles wide-in the vicinity of the small, quaint Gold Rush Country community of Ione, Amador County (and parts of northern Calaveras County), western foothills of the Sierra Nevada, California. The plant is restricted to harsh, nutrient-poor rock outcrops in what geologists call the Middle Eocene Ione Formation (roughly 45 million years old), and is a prominent member of a unique, world-famous botanic association known as the Ione Chaparral.
Fossil Plants In The Dead Camel Range, Nevada
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