Taxon  Report   10252    
Polygonum fowleri  B. L. Rob.
Fowler's knotweed
Polygonum fowleri
© 2015 Ryan Batten
Photos from
CalPhotos / Calflora
Polygonum fowleri
© 2015 Ryan Batten
Polygonum fowleri, 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
Polygonum fowleri
© © 2015 Ryan Batten
Genus: Polygonum
Subspecies and Varieties:
Communities: Coastal Salt Marsh, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: salt-marsh, coastal

Name Status:
Accepted by ICPN + PLANTS

More information about  Polygonum fowleri
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


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 18, 2019).