Plant ID forum: Leonurus; Ranunculus; Polygonum; Acalypha; Oenanthe; Hydrocotyle

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Name: joelsephus
Huntingdon Valley, PA (Zone 5b)
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joelsephus
Jun 6, 2014 1:47 PM CST
There are several plants I was hoping you guys could identify for me, some of which are growing in my gardens, and some in a nearby park. I love to learn about edibility and usefulness too, as I have a very flexible notion of what counts as a "weed". So please let me know anything else you know about these plants. I can take more pictures too, if needed.

This one grows in the park nearby.
Thumb of 2014-06-06/joelsephus/2a997b

I'm pretty sure these are different from the previous plant. This photo was taken in the park as well, but these grow in my garden and are quite difficult to get rid of, as they spread by rhizome and will come back from the smallest piece of root left in the ground.
Thumb of 2014-06-06/joelsephus/1fb8da

This is a really interesting looking plant I see in the park, and it looks like some kind of bug finds it rather tasty.
Thumb of 2014-06-06/joelsephus/1cf2f8

Another one from my yard. It shows up everywhere. I always pull it up before it can go to seed, but I'm wondering if it's something useful, if kept under control.
Thumb of 2014-06-06/joelsephus/d6b30a

Thanks guys!

Joel

Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Jun 6, 2014 2:10 PM CST
Hey Joel .. we actually have a specific forum for plant ID .. you'll probably get a better response if you post there.

http://garden.org/forums/view/plantid/
"Don't judge your day by the harvest you reap, but by the seeds you plant."

Unknown

Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
Jun 6, 2014 2:20 PM CST

Moderator

The first one is Motherwort

Motherwort (Leonurus cardiaca)

The last one appears to be an Acalypha of some sort, but I could easily be wrong about that.

http://garden.org/plants/search/text.php?q=acalypha&button=

Don't know the other two.
Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Jun 6, 2014 2:35 PM CST
Second one looks like buttercup to me, and the third one, the leaves with the square ends is oxalis. Both have nice flowers, but will seed and spread everywhere if allowed.

For future reference, Joel, it's a lot easier to identify a plant that's blooming.

As you say, the term 'weed' is subject to each individual's interpretation. Generally a weed is just any plant growing where you don't want it. Or uninvited. Or too big . . . or??
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: Lin
Florida (Zone 9b)
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plantladylin
Jun 6, 2014 3:14 PM CST
These are just wild guesses on my part.

I agree, #1 looks to be Leonurus cardiaca (Motherwort):

http://www.susunweed.com/Article_Motherwort.htm

http://pfaf.org/user/Plant.aspx?LatinName=Leonurus+cardiaca

#2 does look a lot like Ranunculus pensylvanicus (Pennsylvania Buttercup):

http://www.minnesotawildflowers.info/flower/pennsylvania-but...

#3 reminds me of Polygonum convolvulus (Black Bindweed):

https://www.google.com/search?q=polygonum+convolvulus&tbm=is...

#4 Possibly Acalypha rhomboidea (Three-seeded Mercury):

http://www.minnesotawildflowers.info/flower/three-seeded-mer...
http://www.illinoiswildflowers.info/weeds/plants/rhomb_mercu...
~ Eat, Sleep .... Play in the dirt ~
Name: joelsephus
Huntingdon Valley, PA (Zone 5b)
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joelsephus
Jun 6, 2014 3:17 PM CST
Xeramtheum said:Hey Joel .. we actually have a specific forum for plant ID .. you'll probably get a better response if you post there.

]http://garden.org/forums/view/plantid/


Nuts! That's where I meant to put this. *Blush* Should I repost there?
Name: Lin
Florida (Zone 9b)
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plantladylin
Jun 6, 2014 3:22 PM CST
We can ask @Dave to move this whole post over for you ... then more folks who watch the Plant ID forum can offer ID suggestions.
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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
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dave
Jun 6, 2014 3:26 PM CST

Garden.org Admin

I already moved it. I always check each "Ask a Question" forum and move it to the right place when needed. It's never necessary to ask someone to repost it elsewhere. Just wait for me to check in and I'll always get them moved.
Name: Lin
Florida (Zone 9b)
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plantladylin
Jun 6, 2014 3:28 PM CST
Thumbs up
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Name: joelsephus
Huntingdon Valley, PA (Zone 5b)
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joelsephus
Jun 6, 2014 3:32 PM CST
Thanks Dave :)

So far, I think the correct ids are the motherwort and three-seeded mercury. I'm not convinced of the buttercup, and the third one is definitely not an oxalis. I can't say for sure it's not some kind of bindweed, but I haven't seen one yet that matched up with this one.

Keep the guesses coming! Smiling
Name: joelsephus
Huntingdon Valley, PA (Zone 5b)
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joelsephus
Jun 6, 2014 6:03 PM CST
While I have your attention, here's a couple more plants I'm hoping you can help me with. They were both given to me by a Thai woman who didn't know their English names. Both she brought from Thailand, they're edible and supposedly
medicinal.

This one's growing in my pond.
Thumb of 2014-06-07/joelsephus/e6b1b3

And this one almost looks like a nasturtium, but I'm pretty sure it's not.

Thumb of 2014-06-07/joelsephus/211cbc

[Last edited by joelsephus - Jun 6, 2014 6:04 PM (+)]
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Name: Myriam
Ghent, Belgium (Zone 8a)
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bonitin
Jun 6, 2014 10:03 PM CST
The last one is Hydrocotyle ranunculoides.
https://www.google.be/search?q=Hydrocotyle+ranunculoides&cli...
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Jun 7, 2014 3:10 AM CST
The first reminds me of the herb Lovage which smells of Celery so it's not surprising that it looks like Chinese Celery, Oenanthe javanica.

http://www.lookfordiagnosis.com/mesh_info.php?term=oenanthe&...
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jun 7, 2014 4:56 AM CST
The third photo in the first post is Periscariaperfoliata (formerly known as Polygonumperfoliatum).
It is on Pennsylvania's noxious weed list.

(aaargh! I wish these photos were each on their own thread. Hilarious! )
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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
Jun 7, 2014 5:45 AM CST
The flowers are not right for Hydocoltyle ranunculoides. I think it is Hydrocotyle verticillata.

http://www.flowersofindia.net/catalog/slides/Whorled%20Marsh...

https://www.google.com/search?q=Hydrocotyle+verticillata&rlz...
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Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
Rabbit Keeper Critters Allowed Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level Garden Sages
Herbs Region: Georgia Region: United States of America Native Plants and Wildflowers Dog Lover Composter
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greene
Jun 7, 2014 5:56 AM CST
Hydrocotyle americana grows in almost every county in Pennsylvania.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
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
Jun 7, 2014 7:24 AM CST
I hope that Hydrocotyle isn't a pest plant like the Dollarweed (Hydrocotyle umbellata) we have down here in Florida.
~ Eat, Sleep .... Play in the dirt ~
Name: joelsephus
Huntingdon Valley, PA (Zone 5b)
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joelsephus
Jul 1, 2014 10:13 AM CST
joelsephus said:While I have your attention, here's a couple more plants I'm hoping you can help me with. They were both given to me by a Thai woman who didn't know their English names. Both she brought from Thailand, they're edible and supposedly
medicinal.

This one's growing in my pond.
Thumb of 2014-06-07/joelsephus/e6b1b3

And this one almost looks like a nasturtium, but I'm pretty sure it's not.

Thumb of 2014-06-07/joelsephus/211cbc



From further research I've done, I think these plants are, respectively, Oenanthe javanica ("Chinese celery") and Centella asiatica ("Indian pennywort" or "Gotu kola"). I'm not positive about the second one, since I see two different looking plants shown in pictures of Centella. Here's what mine looks like.

Thumb of 2014-07-01/joelsephus/f06a5d

Name: Tara
NE, Florida (Zone 9a)
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terrafirma
Jul 1, 2014 10:35 AM CST
Looks like what I spent my morning pulling out of my beds...You can never get it all out! Angry Sure looks like the dollar weed to me Glare ...And yes, I've heard that it is indeed edible. Shrug!
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
Jul 1, 2014 10:39 AM CST
That is definitely not Centella. I don't know the exact species, but it is Hydocoltyle.
wildflowersoftexas.com
texasnatureonline.com


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