Taxon  Report   8228 
Verbena bonariensis  L.
Purple top vervain,  Purpletop vervain
Verbena bonariensis
© 2015 Barry Breckling
Click on a photo to see it bigger.
Verbena bonariensis
© 2015 Barry Breckling
Verbena bonariensis
© 2012 Jean Pawek
Verbena bonariensis, a dicot, is an annual or biennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. There is a high risk of this plant becoming invasive in California according to Cal-IPC.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Verbena bonariensis
© 2008 Jorg Fleige
Genus: Verbena
Subspecies and Varieties:
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed
Wetlands: Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands
Distribution by County 

Add an Observation of  Verbena bonariensis

Name Status:
Accepted by TJM2 + PLANTS + JM93
PLANTS accepted name: Verbena incompta
Alternate Names:
(according to)

PLANTS: Verbena bonariensis var. bonariensis
PLANTS: Verbena bonariensis var. conglomerata
TJM2: Verbena incompta
More information about  Verbena bonariensis
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Dec 18, 2017).

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