Taxon  Report   8366 
Xanthium spinosum  L.
Spiny clotbur,  Spiny cockleburr

Xanthium spinosum
© 2010 Zoya Akulova
Xanthium spinosum
© 2015 Zoya Akulova
Xanthium spinosum
© 2008 Neal Kramer
Xanthium spinosum, a dicot, is an annual herb that is native to California and is also found elsewhere in North America and beyond.

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 Plant Characteristics
 and Associations

Bloom Period
Xanthium spinosum
© 2014 Richard Spellenberg
Genus: Xanthium
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Xanthium spinosum

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Acanthoxanthium spinosum
PLANTS: Xanthium spinosum var. inerme
 More information about  Xanthium spinosum
Location Suitability

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.


Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 29, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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