Taxon  Report   6710 
Polanisia dodecandra  (L.) DC.  ssp. trachysperma  (Torr. & A. Gray) H. H. Iltis
Clammy weed,  Sandyseed clammyweed
Polanisia dodecandra ssp. trachysperma
© 2007 Trent M. Draper
More photos from
CalPhotos / Calflora
Polanisia dodecandra ssp. trachysperma
© 2009 Barry Breckling
Polanisia dodecandra ssp. trachysperma
© 2001 CDFA
Polanisia dodecandra ssp. trachysperma, a dicot, is an annual herb that is native to California and is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
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point, line, or polygon

Plant Characteristics
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Bloom Period
Polanisia dodecandra ssp. trachysperma
© 1997 Arthur H. Bazell, M.D.
Genus: Polanisia
Parent Record Polanisia dodecandra
Sagebrush Scrub
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Distribution by County 

Add an Observation of  Polanisia dodecandra ssp. trachysperma

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

PLANTS: Polanisia dodecandra var. trachysperma
PLANTS: Polanisia trachysperma
More information about  Polanisia dodecandra ssp. trachysperma
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

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website references from Google

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 23, 2018).

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