Plant ID forum: Cirsium?

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Name: Judy
Simpsonville SC (Zone 7b)
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SCButtercup
Mar 28, 2015 3:45 PM CST
This looks like some kind of wild lettuce. It tastes slightly bitter bur not as bad as dandelion. Leaves are firm but wilt when stir fried like kale. Yes I already ate it and was delicious and didn't cause problems. Anyone know what it's called?

Thumb of 2015-03-28/SCButtercup/f1bc76
Thumb of 2015-03-28/SCButtercup/4ec442
Thumb of 2015-03-28/SCButtercup/a8391c

Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Region: Alabama Composter Garden Photography Garden Ideas: Master Level Plant Identifier Celebrating Gardening: 2015
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Seedfork
Mar 28, 2015 4:02 PM CST
Some type of thistle?
Edible Thistle
http://www.eattheweeds.com/thistle-touch-me-not-but-add-butt...
[Last edited by Seedfork - Mar 28, 2015 4:04 PM (+)]
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Name: Jay
Nederland, Texas (Zone 9a)
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Horntoad
Mar 28, 2015 4:15 PM CST
I agree with Larry it looks like Cirsium horridulum. But, seriously! You cooked and ate a plant that you haven't identified?
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Name: Lin
Florida (Zone 9b)
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plantladylin
Mar 28, 2015 5:24 PM CST
It looks like Thistle to me also. A couple of possibilities:

Bull Thistle (Cirsium vulgare)

Bull Thistle (Cirsium horridulum)

Canada Thistle (Cirsium arvense)
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Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Mar 28, 2015 7:31 PM CST
I think it might be "Hedgemustard" -- Sisymbrium officinale (which is, fortunately, edible... Smiling )

https://extension.umass.edu/landscape/weeds/sisymbrium-offic...

You might need to allow it to flower to actually positively ID it.
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Name: Dave Paul
Puna, HI (Zone 10b)
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Metrosideros
Mar 28, 2015 7:57 PM CST
Could this be something like Lactuca serriola, Prickly Lettuce.

Need to see flowers.

http://en.wikipedia.org/wiki/Lactuca_serriola
Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Mar 28, 2015 8:09 PM CST
Many possibilities... whatever it is, I know we have that here and I don't think it's a true thistle. Smiling
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Name: Judy
Simpsonville SC (Zone 7b)
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SCButtercup
Mar 28, 2015 11:19 PM CST
Canada thistle it is.
Name: Tiffany
Opp, AL (Zone 8b)
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purpleinopp
Mar 29, 2015 6:24 AM CST
With the huge number of Cirsium species, I don't see how one could eliminate all of the other possibilities at this stage. The leaves look like Cirsium arvense, and other species of Cirsium. Canada thistle is usually a patch, not scattered individuals, but I suppose the first few plants of an invasion could start that way.
http://oregonstate.edu/dept/nursery-weeds/feature_articles/t...

USDA maps aren't always correct, but says SC is a bit below its' know range.
http://plants.usda.gov/core/profile?symbol=CIAR4
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Mar 29, 2015 6:54 AM CST
purpleinopp said:

USDA maps aren't always correct, but says SC is a bit below its' know range.
]http://plants.usda.gov/core/profile?symbol=CIAR4


According to this Columbia University page on Canada thistle:
http://www.columbia.edu/itc/cerc/danoff-burg/invasion_bio/in...

"The only states in the US that are relatively free of Canada Thistle are Texas, Oklahoma, Louisiana, Mississippi, Alabama, Georgia, South Carolina and Florida."

Is it possible to get a close-up photo of the underside of a leaf? I'm also not sure I'm seeing any spines, are the tips of the leaves hard and pointy?

Name: Lin
Florida (Zone 9b)
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plantladylin
Mar 29, 2015 1:12 PM CST
If it's Thistle of any kind it will have lots of thorns.
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Mar 29, 2015 2:11 PM CST
It reminds me somewhat of a sowthistle ( Sonchus ) of some kind:

http://thedewberry.blogspot.ca/2012_12_01_archive.html
Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Mar 29, 2015 3:00 PM CST
Sow thistle -- that's what I was trying to think of!!

Judy, were the leaves really spiny ?? (I'm having a hard time imagining deciding to eat them if they were... Blinking )
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Name: Lin
Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
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plantladylin
Mar 29, 2015 5:02 PM CST
@sooby Good eye! It could very well be a species of Sonchus. We have Spiny Sow-thistle (Sonchus asper) that grows here in Florida and another but I can't remember the species. Here's the database listing for Sonchus: http://garden.org/plants/browse/plants/genus/Sonchus/

I've never eaten Sowthistle but apparently it is edible:

http://joanhall.hubpages.com/hub/sonchus

http://www.eattheweeds.com/sonchus-sow-thistle-in-a-pigs-eye...

http://en.wikipedia.org/wiki/Sonchus_oleraceus
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Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
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Horntoad
Mar 29, 2015 5:22 PM CST
Yes, it does look a lot like Sonchus. I should have caught that. I have Sonchus asper come-up in my yard every year. Where the smiley kicking itself? Rolling on the floor laughing
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Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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sooby
Mar 30, 2015 6:08 AM CST
plantladylin said:@sooby Good eye! It could very well be a species of Sonchus.


Thanks, Lin. What kept bugging me was the lack of obvious large spines, and also the pale-coloured midribs. I kept thinking I'd seen that combo before!

Name: Tiffany
Opp, AL (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Native Plants and Wildflowers
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purpleinopp
Apr 3, 2015 5:53 PM CST
Do all Sonchus have white (latex) sap? If they do, and Cirsium don't, that would be a good clue.
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Name: Lin
Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
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plantladylin
Apr 3, 2015 5:58 PM CST
I think it's got to be a species of Sonchus. Most Cirsium have sharp spines don't they? I know Bull Thistle has lots of sharp spines as does the Nutall's Thistle (Cirsium nuttallii) that is sprouting up all over my side yard ... very interesting and pretty bloom but ouch, those thorns are sharp!
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