Taxon  Report   283 
Amaranthus retroflexus  L.
Green amaranth,  Red root pigweed, Red rooted amaranth, Redroot amaranth, Rough pigweed
Amaranthus retroflexus
© 2005 Louis-M. Landry
Click on a photo to see it bigger.
CalPhotos
Amaranthus retroflexus
© 2008 Louis-M. Landry
Amaranthus retroflexus
© 2007 Luigi Rignanese
Amaranthus retroflexus, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Amaranthus retroflexus
© 2007 Neal Kramer
Family: AMARANTHACEAE  
Genus: Amaranthus
Communities:
weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Amaranthus retroflexus

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

PLANTS: Amaranthus retroflexus var. salicifolius
More information about  Amaranthus retroflexus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

USDA PLANTS Profile (AMRE)

Search the International Plants Names Index

Search efloras.org (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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Dec 07, 2016).

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