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Lewis and Clark
SHOWING RECORD: 35 of 50   Edible Thistle
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image: Edible Thistle
Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
Edible Thistle

Cirsium edule



First Noted by Expedition
March 13, 1806, at Fort Clatsop, Oregon.
 

Description
The "ball" part of the flowers is a white wooly mass with many spines thus forming attractive pedestals for the several rose-purple flowers. The blooming period is from late spring to late summer. Leaves to 10 in (25.4 cm) long. Height: 2-5 ft (0.6-1.5 m).
 

Range
Low to high elevations mostly west of the Cascades.
 

Note
An attractive plant of alpine meadows, the plump roots are about 1 in (2.5 cm) long and can be boiled and eaten.
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