Classification
Within iNaturalist.org

All Names

  • English
    • Napa thistle
    • tocalote
    • Maltese Star-thistle
    • Napa star thistle
    • Malta Thistle
  • Scientific Names
    • Centaurea melitensis

Guide Colors

 

Extras

Taxonomic changes »

Taxon schemes »

Make taxonomic Flickr tags for this taxon »

Invite photos from other sites »

Wikipedia taxobox »

Tree Browser »

Search descendant taxa »

Embed a widget for this taxon on your website »

Recent observations

Photos / Sounds

16532007057 5a5fb2ccb5 s

What

tocalote Centaurea melitensis

Observer

jaykeller

Date

March 4, 2015 04:20 PM PST

Photos / Sounds

16480831450 7e87d06b11 s

What

tocalote Centaurea melitensis

Observer

jaykeller

Date

February 25, 2015 05:48 PM PST

Photos / Sounds

No photos or sounds

Observer

ghdayton

Date

the past

Place

(Somewhere...)

Photos / Sounds

16297628719 61866dce8f s

What

tocalote Centaurea melitensis

Observer

finatic

Date

February 6, 2015 05:18 PM PST

Description

San Diego County, California, US

Photos / Sounds

What

tocalote Centaurea melitensis

Observer

jaykeller

Date

February 6, 2015 06:24 PM PST

Photos / Sounds

Observer

sambiology

Date

February 19, 2012

Description

SRK637

Common; spiky composite head not opened; winged stems; 30 - 60 cm tall.

Brady, TX in McCullough County. In front of Brady Elementary; roadside lawn with many flowers.

Returning home from the 2012 Texas Society of Mammalogists conference in Junction, TX.

Photos / Sounds

Observer

sambiology

Date

May 4, 2012

Description

SRK823

Uncommon plant in shady area; spiny composite head.

Collected with permit.

Photos / Sounds

Square

What

Tocalote Centaurea melitensis

Observer

kevinhintsa

Date

June 28, 2010 05:25 PM PDT

Description

Non-native , smaller than Yellow Star-Thistle .

Photos / Sounds

Square

What

tocalote Centaurea melitensis

Observer

wlud

Date

November 15, 2014 08:41 AM PST

Description

This was the only live/flowering one I saw all day. The others were long since dried up

Photos / Sounds

What

tocalote Centaurea melitensis

Observer

aschultz2017

Date

October 29, 2014 10:32 AM PDT

Description

prickly buds, thin, long stems. dry

Photos / Sounds

What

Napa thistle Centaurea melitensis

Observer

mcduck

Date

June 11, 2012

Description

Blue Oak/Sagebrush habitat, in recent road cut.

Photos / Sounds

What

Napa thistle Centaurea melitensis

Observer

psuri

Date

May 10, 2014

Description

21 cm., purple, SW, no predation.

View all observations

Description from Wikipedia

Centaurea melitensis (called Maltese star thistle in Europe, tocalote or tocolote in western North America) is an annual plant of the Asteraceae, 1- 11 dm high, with resin-dotted leaves and spine-tipped phyllaries. This plant is native to the Mediterranean region of Europe and Africa. It was introduced to North America in the 18th Century; the first documented occurrence in California is in the adobe of a building constructed in San Fernando in 1797. It is also...

No range data available.