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Useful Temperate Plants

Cirsium occidentale

(Nutt.) Jeps.

Asteraceae


Cirsium occidentale is a very variable species, generally considered to comprise seven varieties[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].

+ Synonyms

Carduus bernardinus Greene

Carduus californicus Greene

Carduus candidissimus Greene

Carduus occidentalis Nutt.

Carduus venustus Greene

Cirsium bernardinum Davidson & Moxley

Cirsium bernardinum Petr.

Cirsium californicum A.Gray

Cirsium candidissimum Davidson & Moxley

Cirsium coulteri Harv. & Gray

Cirsium coulteri Jeps.

Cirsium pastoris J.T.Howell

Cirsium proteanum J.T.Howell

Cnicus californicus A.Gray

Cnicus lilacinus Greene

Cnicus neglectus Parish ex Greene

Cnicus occidentalis A.Gray

Common Name: Cobwebby Thistle

No Image.

General Information

Cirsium occidentale is a prickly, biennial plant growing from a taproot; it produces a basal rosette of leaves and a single flowering stem that can range from 5 - 400cm tall[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].
The plant is harvested from the wild for local use as a food and source of materials.

Known Hazards

None known

Botanical References

71
Title
A California Flora.
Publication
 
Author
Munz P.A. & Keck D.D.
Publisher
University of California Press; Los Angeles
Year
1959
ISBN
-
Description
An excellent flora but no pictures. Not for the casual reader.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
,
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.

Range

South-western N. America - Oregon, California, Nevada, northwest Mexico

Habitat

Coastal scrub, dunes, pine-oak woodlands, riparian woodlands, arid woodlands, chaparral, openings in mixed evergreen forests, roadsides; at elevations from near sea level to 2,300 metres[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
]

Properties

Edibility Rating *  *
Other Uses Rating *
HabitBiennial
Height1.00 m
PollinatorsBees, Flies, Lepidoptera, Beetles, Self
Self-fertileYes
Cultivation StatusWild

Cultivation Details

Some forms of Cirsium occidentale are not very frost-hardy and are unlikely to succeed outside the milder areas of the temperate zone[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Cirsium species are generally easily grown plants, succeeding in any ordinary garden soil in a sunny position[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
A polymorphic species, a number of varieties are recognised[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].
Heads of var. candidissimum are actively visited by hummingbirds as well as a variety of insects[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
]

Edible Uses

Root - cooked[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
]. A pleasant taste after prolonged boiling[
161
Title
Food Plants of the N. American Indians. Publication no. 237.
Publication
 
Author
Yanovsky. E.
Publisher
U.S. Depf of Agriculture.
Year
 
ISBN
-
Description
A comprehensive but very terse guide. Not for the casual reader.
]. The root is likely to be rich in inulin, a starch that cannot be digested by humans. This starch thus passes straight through the digestive system and, in some people, ferments to produce flatulence[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Stem - peeled and eaten raw[
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
].

Medicinal

None known

Other Uses

The seed of all species of thistles yields a good oil by expression[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
]. No details of potential yields etc are given[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Propagation

Seed - sow early spring or autumn in situ. Germination usually takes place within 2 - 8 weeks at 20°c[
164
Title
Growing from Seed. Volume 4.
Publication
 
Author
Bird. R. (Editor)
Publisher
Thompson and Morgan.
Year
1990
ISBN
-
Description
Very readable magazine with lots of information on propagation. A good article on Yuccas, one on Sagebrush (Artemesia spp) and another on Chaerophyllum bulbosum.
].
Division in spring or autumn.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2024-06-15. <temperate.theferns.info/plant/Cirsium+occidentale>

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