Taxon  Report   5385 
Medicago polymorpha  L.
Bur clover,  Bur medic, California burclover
Medicago polymorpha
© 2004 Carol W. Witham
CalPhotos: click on a
photo to see it bigger
Medicago polymorpha
© 2008 Steve Matson
Medicago polymorpha
© 2003 Michael Charters
Medicago polymorpha, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as limited (plant profile / CalWeedMapper).

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
Medicago polymorpha
© 2003 Michael Charters
Family: FABACEAE  
Genus: Medicago
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Medicago polymorpha

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

PLANTS: Medicago apiculata
PLANTS: Medicago polymorpha var. tricycla
PLANTS: Medicago polymorpha var. polygyra
PLANTS: Medicago polymorpha var. ciliaris
PLANTS: Medicago polymorpha var. brevispina
PLANTS: Medicago polycarpa
PLANTS: Medicago hispida
PLANTS: Medicago hispida var. confinis
PLANTS: Medicago hispida var. apiculata
PLANTS: Medicago denticulata
PLANTS: Medicago polymorpha var. vulgaris
More information about  Medicago polymorpha
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 (MEPO3)

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: Aug 26, 2016).

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