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ID please of plant I'm treating as a weed because it's thorny...

 
Vera Stewart
Posts: 217
Location: 7b at 1050 feet, precipitation average 13 inches, irrigated, Okanagan Valley
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...and it's growing in a lot of places, and I did not put it there.
Do you know what it is?

I can pull it up right by the base as there seem to be no thorns right where it comes out of the ground, and I get a lot of root quite easily when I pull.
I'm not sure how tall it might grow if I let it be.
Thanks for your ID help!
thornplant.JPG
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Tyler Ludens
pollinator
Posts: 9445
Location: Central Texas USA Latitude 30 Zone 8
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Likely it is Prickly Lettuce Lactuca serriola.

http://www.foragingtexas.com/2008/07/prickly-lettuce.html
 
Joseph Lofthouse
garden master
Posts: 2003
Location: Cache Valley, zone 4b, Irrigated, 9" rain in badlands.
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I call it "wild lettuce". In my garden they grow 5 feet tall.

They are the same species as domesticated lettuce, and are fully cross-fertile with it, (albeit at a low rate cause lettuces are mostly-selfing). The wild lettuce is even more bitter than normal lettuce, so if I want to save lettuce seed, I make sure to do a good job weeding out the nearby wild lettuce.



 
Vera Stewart
Posts: 217
Location: 7b at 1050 feet, precipitation average 13 inches, irrigated, Okanagan Valley
19
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Thanks!
 
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