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Arizona Thistle


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Arizona Thistle

Arizona Thistle  - Cirsium arizonicum

by: Honza
Location/Trail:  Rim Top Trail #622
Date sighted:  9/11/2010
Season:  Summer
Growing at elevations from 3000 to 7000 feet (914 to 2134 m) in canyons or at the edges of pine forests. It is up to 4 feet (1.2 m) tall with slender heads (for a thistle), up to 2 inches (5 cm) long, and surrounded by spine-tipped bracts. The leaves have spiny teeth.

This is a hummingbird flower.
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