Cirsium quercetorum
Encyclopedia
Cirsium quercetorum is a species of thistle
Thistle
Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles often occur all over the plant – on surfaces such as those of the stem and flat parts of leaves. These are an adaptation that protects the...

 endemic to coastal California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, its common names include brownie thistle and Alameda thistle.

Distribution

Cirsium quercetorum is endemic to the Outer California Coast Ranges from Santa Barbara's Point Conception
Point Conception
Point Conception is a headland along the Pacific coast of U.S. state of California, located in southwestern Santa Barbara County. It is the point where the Santa Barbara Channel meets the Pacific Ocean, and as the corner between the mostly north-south trending portion of coast to the north and the...

north into the San Francisco Bay Area and up the North Coast. This is a common plant found in coastal grasslands and open woodlands.

Description

The perennial Cirsium quercetorum plant grows clumped low to the ground. It has spiny lobed toothy leaves and spiny thistle flowers which may be brownish ivory-tan white to purple.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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