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Cirsium remotifolium
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Fewleaf Thistle
( Cirsium remotifolium )
Cirsium remotifolium
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Fewleaf Thistle (Cirsium remotifolium)
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Cirsium remotifolium
is a species of thistle known by the common name fewleaf thistle. It is native to the western United States, including the Pacific Coast and possibly as far east as the Rocky Mountains, depending on which populations are treated as part of the species. It is sometimes part of the serpentine soils flora. This native thistle is a perennial herb growing up to about 1. 5 meters tall. The leaves are borne on spiny petioles and are toothed or lobed, the lowest leaves at the base of the stem reaching 50 centimeters in length. The inflorescence is made up of clustered flower heads which are lined with spiny phyllaries. The head is filled with white or purple flowers up to 2. 5 centimeters long. The fruit is an achene a few millimeters long topped with a pappus up to about 2 centimeters in length.
Plant Description
Plant Type
Perennial herb
Size
4.9 ft tall
Flower Color
Pink, Purple
Wildlife Supported
Butterflies & moths hosted ( 12
likely
* )
SHOW ALL
*
Painted Lady
Vanessa cardui
Vanessa cardui
*
Mylitta Crescent
Phyciodes mylitta
Phyciodes mylitta
*
California Crescent
Phyciodes orseis
Phyciodes orseis
*
Bilobed Looper Moth
Megalographa biloba
Megalographa biloba
*
Sweetclover Root Borer Moth
Walshia miscecolorella
Walshia miscecolorella
*
Southern Emerald
Synchlora frondaria
Synchlora frondaria
*
Oblique-Banded Leafroller Moth
Choristoneura rosaceana
Choristoneura rosaceana
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 23.6" - 99.0", Summer Precipitation: 0.25" - 3.59", Coldest Month: 33.2" - 50.2", Hottest Month: 52.0" - 74.3", Humidity: 0.08" - 22.87", Elevation: 2" - 6692"
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Fewleaf Thistle
Cirsium remotifolium
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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