Plant ID forum: Madwort (Asperugo procumbens); nasty sticker

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Name: woofie
NE WA (Zone 5a)
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woofie
Sep 15, 2015 1:29 PM CST
I don't have a photo of the entire plant because all we have now are these nasty stickers in several locations; the plants are all dried up. I'm hoping someone might be familiar with it, so that next spring we can eradicate the weeds before they develop these stickers! This is in Northeast Washington, near the Canadian border.
Thumb of 2015-09-15/woofie/bd6fa5

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Name: Lin
Florida (Zone 9b)
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plantladylin
Sep 15, 2015 1:56 PM CST
I'm not good at comparing photos so this is just a guess but could it be Cenchrus longispinus?

http://www.nwcb.wa.gov/detail.asp?weed=24
http://www.illinoiswildflowers.info/grasses/plants/sandbur.h...
http://missouriplants.com/Grasses/Cenchrus_longispinus_page....

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Name: woofie
NE WA (Zone 5a)
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woofie
Sep 15, 2015 2:43 PM CST
Mmmm, don't think it's that one. Here's another photo that shows the distribution of the stickers on a short section of stem. This is pretty much what they all look like. There's about 2 inches or so of bare stem between each small cluster of stickers.



Confidence is that feeling you have right before you do something really stupid.
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
Sep 15, 2015 4:35 PM CST
Another guess: Russian Thistle (Salsola iberica)
http://www.bing.com/images/search?q=salsola+iberica&view=det...
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Name: woofie
NE WA (Zone 5a)
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woofie
Sep 15, 2015 7:44 PM CST
There is definitely a similarity. And we do have tumbleweeds growing in one of the fields. Perhaps a relative. Heh, maybe what I should do is plant some of the seeds and see what the plant looks like!
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Name: Paul
Utah (Zone 5b)
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Paul2032
Sep 15, 2015 7:50 PM CST
Paul Smith Pleasant Grove, Utah
[Last edited by Paul2032 - Sep 16, 2015 5:16 PM (+)]
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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
Sep 15, 2015 8:00 PM CST
Puncturevine (Tribulus terrestris) currently has no database photos but it could definitely be a possibility:

https://en.wikipedia.org/wiki/Tribulus_terrestris
http://www.bing.com/images/search?q=tribulus+terrestris&view...
http://www.bing.com/images/search?q=tribulus+terrestris&qpvt...
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Name: woofie
NE WA (Zone 5a)
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woofie
Sep 15, 2015 8:31 PM CST
Oh my, that could very well be my little nasty! Unfortunately, the foliage looks very like some shrubs we have growing outside the fence line, so they could easily sneak in without being noticed. I think I WILL try sprouting some of the seeds just to see. Heh, and then I can BURN them! Pluck their little leaves off slowly, one by one...oops, never mind. *Blush*
Confidence is that feeling you have right before you do something really stupid.
Name: Lin
Florida (Zone 9b)
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plantladylin
Sep 16, 2015 6:33 AM CST
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Name: Lauri
North Central Washington (Zone 5b)
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lauribob
Sep 16, 2015 9:25 AM CST
Looks like goat heads or puncture weed to me. Do they get little yellow flowers? We get them occasionally here in N. central WA. Easily eradicated by hand pulling if caught early. They will go right through a pair of flip flops or a bicycle tire. I find them sometimes when walking barefoot.
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Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
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woofie
Sep 16, 2015 9:48 AM CST
Well, that's my problem. I don't know yet for sure what the plant looks like. But I definitely have found things growing that look like the Tribulus terrestris in my rose bed. I yanked them out thinking it was the shrubs out front being fruitful and multiplying and I don't like them either! I'm going to put a few seeds in a pot and see what comes up. Stay tuned. Smiling

Thanks for those links, Lin! And if these turn out to be those, I'll have an entry for the database!
Confidence is that feeling you have right before you do something really stupid.
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
Sep 16, 2015 11:02 AM CST
Paul2032 and lauribob both live in your part of the country so they are familiar with what grows in the area. I'd say their suggestions of Puncture Weed/Goathead (Tribulus terrestris) may well be your plant in question!
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Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
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woofie
Sep 16, 2015 12:02 PM CST
Well, this is going to be a little trickier than just stuffing the seeds in a pot. Sighing! There are areas where people actually cultivate this stuff and all the sites recommend chilling the seeds for 1 to 3 months, that fresh seeds rarely germinate. Grrr...
Confidence is that feeling you have right before you do something really stupid.
Name: Deb
Pacific Northwest (Zone 8b)
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Bonehead
Sep 16, 2015 12:32 PM CST
I agree with Lauribob and Paul that goats head is your likely culprit. Watch for your animals limping - these seem to be a magnet for my dog whenever I'm on the dry side, easy enough to pluck them out, but yikes, they are painful.
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Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
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woofie
Sep 16, 2015 1:16 PM CST
The dried up plants are rather short, only about 12 inches, but they do sprawl about. The growth pattern doesn't quite look like the goats head, but the stickers surely do! My DH has been finding them in the ponies' manes, too, and I've found one or two on my VERY fuzzy malamute. Eradication is definitely in order. We're going to have to find where the ponies are getting them and probably hit it with the weed burner, if it's safe. Fortunately, the areas where the dogs go are mostly free of nasties.
Confidence is that feeling you have right before you do something really stupid.
Name: Porkpal
Richmond, TX
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porkpal
Sep 16, 2015 4:14 PM CST
WHY would anyone grow that stuff on purpose?!
Porkpal
Name: Paul
Utah (Zone 5b)
Grandchildren are my greatest joy.
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Paul2032
Sep 16, 2015 4:20 PM CST
Paul Smith Pleasant Grove, Utah
[Last edited by Paul2032 - Sep 16, 2015 5:15 PM (+)]
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Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
Sep 16, 2015 4:21 PM CST

Moderator

That's a pretty interesting looking sticker you have there. Smiling I don't know what it is, but do know that it's not any of the things that have been suggested so far (I'm intimately familiar with all three of them). Sorry.
Name: Paul
Utah (Zone 5b)
Grandchildren are my greatest joy.
Charter ATP Member Plant Lover: Loves 'em all! Annuals Echinacea Vegetable Grower Hybridizer
Tomato Heads Garden Photography Birds Cut Flowers Foliage Fan Plays in the sandbox
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Paul2032
Sep 16, 2015 4:32 PM CST
Guess I had better leave this to the experts from now on Shrug!
Paul Smith Pleasant Grove, Utah
Name: Deb
Pacific Northwest (Zone 8b)
Region: Pacific Northwest Organic Gardener Herbs Dragonflies Dog Lover Keeper of Poultry
Birds Lover of wildlife (Raccoon badge) Garden Ideas: Master Level Celebrating Gardening: 2015 Garden Sages Plant Identifier
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Bonehead
Sep 16, 2015 5:33 PM CST
Kent,what makes you rule out goats head?
I want to live in a world where the chicken can cross the road without its motives being questioned.

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