Taxon  Report   2041    
Chorizanthe polygonoides  Torr. & A. Gray
Knotweed spineflower
Chorizanthe polygonoides
© 2009 Neal Kramer
Photos from
CalPhotos / Calflora
Chorizanthe polygonoides
© 2006 John Green
Chorizanthe polygonoides
© 2010 Neal Kramer
Chorizanthe polygonoides, a dicot, is an annual herb that is native to California, is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Chorizanthe polygonoides
© 2010 Benjamin Smith
Genus: Chorizanthe
Subspecies and Varieties:
Communities: Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities)
Name Status:
Accepted by JEF + PLANTS

More information about  Chorizanthe polygonoides
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).