CalPhotos

CalPhotos Photo Database

click photo for enlargement

Xanthium spinosum
Spiny Clotbut

Photographer: Beatrice F. Howitt
Organization: California Academy of Sciences
Collection: CalAcademy

ID: 8253 3202 4137 0052 (1999-05-26)

INFORMATION PROVIDED WITH THE PHOTO

date of photo Sep 21, 1958

location Anastasia Canyon (Monterey County, California, US)

family Asteraceae

notes Amaranthus retroflexus

CalAcademy slide # T 32940

photo category: Plant - annual/perennial

MORE INFORMATION ABOUT THIS PLANT

common names Spiny Clotbut,Spiny Cockleburr, Spiny Cocklebur, Spiny Colklebur, Bathurst Burr, Cocklebur (Lee Dittmann, ITIS )

Look for Jepson Manual treatments, maps (University & Jepson Herbaria)

View Calflora record for Xanthium spinosum

View Encyclopedia of Life record for Xanthium spinosum

View all photos in CalPhotos of Xanthium spinosum

Check Google Images for Xanthium spinosum

Reviewers' comments about this photo (review or add another comment)

Reviewed by Lee Dittmann Nov 24, 2001

Action: changed name from "Unknown" to "Xanthium spinosum "

Reviewer's comments:

"The spiny stems, leaves with prominent mid-veins, and burs identify this as spiny clotbut or cocklebur, a worldwide weed.
"

Using this photo The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as notification of use is sent to manzanita@calacademy.org and the image is clearly credited with Beatrice F. Howitt © California Academy of Sciences. Please send in your email the 16 digit ID number for the image. For other uses, or if you have questions, contact The Manzanita Project manzanita@calacademy.org.

CalPhotos is a project of BSCIT University of California, Berkeley