Register for a Calflora account
Taxon Report     1851 About Calflora  
 

© 2007 Neal Kramer (CalPhotos)

 

Centaurea melitensis L.
Centaurea melitensis, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild [Lum/Walker].

The California Invasive Plant Council (Cal-IPC) lists plants that cause serious problems in native ecosystems. In the 2006 list, Cal-IPC classifies the statewide impact of Centaurea melitensis as moderate (plant profile).

Common names: Maltese star thistle, Napa star thistle, tocalote
Communities: agricultural weed, weed, species characteristic of disturbed places
Habitat: disturbed [Walker]
Elevation: between 0 and 7218 feet Family: Asteraceae
Name Status:
Recognized as current in JM93 + ICPN + PLANTS
 
Related names:See a list of other species in the genus Centaurea found in California.
Distribution in California based on available records:
A shaded county indicates that there are one or more records of this plant within the county.

Hover the mouse over the map to see county names. Click to view records from that county.
 

    For a distribution map based on other criteria (eg. more than one record within the county), see the County Distribution Analysis for this plant.

 

  There are specimens from this county in an herbarium.
  There are documented observations, vouchered or confirmed by an expert.
  There are reported observations.
  There are reported observations available indirectly (eg. in botanical literature).
Records by County: Click county name to view records (numbers are approximate).
Information about  Centaurea melitensis  from other sources:
Photos on CalPhotos / Picasa / Flickr 1993 Jepson Manual Treament from the UC Jepson Herbaria
Photos or website references on Google Original Publication citation. on the International Plants Names Index
PLANTS profile from USDA PLANTS (code = CEME2) Search efloras.org (Flora of North America)

Citation:
Calflora: Information on California plants for education, research and conservation. [web application]. 2010. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Feb 09, 2010).

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

About Calflora Species Information Plant Observation Library Plant Name Library
Calflora  -  1700 Shattuck Av #198, Berkeley, CA 94709  -  510 528-5426  -  CONTACT