Plant ID forum: Tree, shrub, weed?

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Name: Sharon
Calvert City, KY (Zone 7a)
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Sharon
Sep 24, 2015 12:19 AM CST
This plant looks so familiar but I am clueless. I thought at first it might be Mountain Ash or a type of Senna, but the more I look at the picture, the more puzzled I am. It's growing in my son's back yard in Indianapolis and I don't know of its habits, nor does he, since he just moved into this home. I was hoping somebody here might be more familiar with it than I am. There seems to be a very small seedling of the same plant just beside and below it. Thanks for taking a look.
Thumb of 2015-09-24/Sharon/121d50

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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 24, 2015 4:24 AM CST
Maybe Ailanthus altissima?

http://www.invasive.org/weedcd/species/3003.htm
Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Sep 24, 2015 6:09 AM CST
I concur with Janet. Sure looks like Ailanthus altissima. A real nuisance plant.
Donald
Name: Lin
Florida (Zone 9b)
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plantladylin
Sep 24, 2015 7:11 AM CST
Ditto on Tree of Heaven (Ailanthus altissima)
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Name: Sharon
Calvert City, KY (Zone 7a)
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Sharon
Sep 24, 2015 9:46 AM CST
And I think you all are right.

Thank you so much!
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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 24, 2015 1:44 PM CST
I tip my hat to you.
springfield MO area (Zone 6a)
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Frillylily
Sep 24, 2015 2:24 PM CST
The photos on tree of heaven link show the leaves alternating, Sharon's photo has leaves perfectly across from eachother. So that cannot be correct, unless this changes as teh plant matures, but I don't think so?
Name: Lin
Florida (Zone 9b)
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plantladylin
Sep 24, 2015 3:08 PM CST
Ailanthus altissima does have alternate leaves.



In Sharon's photo, the branch on the right appears to have alternate leaves ... but my eyes aren't so great anymore so they may very well be opposite. Smiling If they are opposite, the plant is something other than Ailanthus altissima.
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Name: Sharon
Calvert City, KY (Zone 7a)
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Sharon
Sep 24, 2015 3:34 PM CST
I'm pretty sure they slightly alternate but the camera angle is a bit confusing, as is the very late evening light.

I'll have my son take a much closer look and maybe a better photo.

Thanks, Frilly. Thumbs up
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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 24, 2015 3:49 PM CST
From what I can see, there looks to be both opposite and alternate leaves. The alternate leaves are not far from being opposite.

I would swear that some leaves are opposite, check this photo from MOBOT ..

http://www.missouribotanicalgarden.org/PlantFinder/FullImage...

Tree of heaven resembles the sumacs and hickories, but is easily distinguished by the glandular, notched base on each leaflet


http://www.invasive.org/weedcd/species/3003.htm

You can see on the next link howclose to being opposite the leaves are ..

http://www.namethatplant.net/gallery_comparison.shtml?compar...

I cropped part of Sharon's pic to show the leaf notches which look glandular, and alternate leaves.

Thumb of 2015-09-24/JRsbugs/d5a9d6



Name: Sharon
Calvert City, KY (Zone 7a)
Charter ATP Member Houseplants Celebrating Gardening: 2015 Garden Ideas: Master Level I was one of the first 300 contributors to the plant database! Hosted a Not-A-Raffle-Raffle
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Sharon
Sep 24, 2015 4:14 PM CST
Janet, you see the same things I see and in the same places. I told him to save at least the one plant and to keep watching it. As Fall approaches there could be changes so I'll watch for them. There really might be nothing much to see till Spring but until then I'm really thinking it is tree of heaven.

Thanks, Janet, Super Sleuth! Green Grin!
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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 24, 2015 4:32 PM CST
Thumbs up nodding
Name: Cinda
Indiana Zone 5b
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gardengus
Sep 24, 2015 4:34 PM CST
Sniff the tree Smiling (or have your son do so )
It will stink if it is tree of heaven.

May be black walnut , I always get the two mixed up till I smell them.
Keep believing ,hoping,and loving
all else is just existing.
Name: Sharon
Calvert City, KY (Zone 7a)
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Sharon
Sep 25, 2015 2:21 PM CST
Cinda, thanks. I'll have him sniff, but I really would like for it to be a black walnut. So glad you mentioned it. Thumbs up
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Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
Sep 25, 2015 5:36 PM CST

Moderator

Janet was right with the first post. It's Tree of Heaven, no doubt. Tree of Heaven has compound leaves. The leaves are alternate (as is clearly the case in Sharon's picture). At a casual glance, the individual leaflets appear to be opposite, but they are usually offset from each other, although sometimes very slightly.
Name: Sharon
Calvert City, KY (Zone 7a)
Charter ATP Member Houseplants Celebrating Gardening: 2015 Garden Ideas: Master Level I was one of the first 300 contributors to the plant database! Hosted a Not-A-Raffle-Raffle
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Sharon
Sep 25, 2015 5:42 PM CST
Thanks Kent! I'm pretty sure of that too, but when Cinda put Black Walnut in my mind -- and since I haven't seen a black walnut tree in years and years, I started thinking about that possibility as well. Wishful thinking, no doubt.
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Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Sep 25, 2015 6:55 PM CST
KentPfeiffer said:Janet was right with the first post. It's Tree of Heaven, no doubt. Tree of Heaven has compound leaves. The leaves are alternate (as is clearly the case in Sharon's picture). At a casual glance, the individual leaflets appear to be opposite, but they are usually offset from each other, although sometimes very slightly.


I looked at one down in the pasture today and some are offset to such a slight degree they really do look opposite without a very close examination. Some are more clearly alternate, but a lot are not. No possibility of them being a walnut here. I think that offset beside it is another clue. I wouldn't think that would be likely for a walnut, but is all too likely for a Tree of Heaven. It really got tagged wrong with the common name. Should've been Tree of H...! It's really hard to keep it under control.

Donald
Name: Sharon
Calvert City, KY (Zone 7a)
Charter ATP Member Houseplants Celebrating Gardening: 2015 Garden Ideas: Master Level I was one of the first 300 contributors to the plant database! Hosted a Not-A-Raffle-Raffle
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Sharon
Sep 25, 2015 7:08 PM CST
I hadn't thought of that little seedling -- or is it a 'rootling' since it probably didn't come from seed. But you're right, Donald. A walnut tree wouldn't likely increase like that. Thanks for your input. I'm pretty well convinced now, it isn't something that should be kept.

Thank you all for your help.
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Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
Charter ATP Member I was one of the first 300 contributors to the plant database! Plant Database Moderator Plant Identifier Region: Nebraska Forum moderator
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KentPfeiffer
Sep 25, 2015 7:25 PM CST

Moderator

One of the reasons Tree of Heaven is such a menace is the fact that it is rhizomatous and suckers aggressively.

If you decide the cut it down, you'll probably need to treat the stumps with herbicide. If you cut it off and don't treat it, you'll just make it mad and there will be several replacements next year.

If you really don't want to use herbicides, the tree appears small enough that you might be able to get rid of it by digging the entire root system, but I wouldn't bet on it (it may be just be a sucker attached to a nearby large tree). Sad
Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Sep 25, 2015 7:57 PM CST
KentPfeiffer said:..... you might be able to get rid of it by digging the entire root system, but I wouldn't bet on it ........ Sad


Me neither!

Donald

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