Plant ID forum: A leaf from which tree?

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Jesteburg, Germany (Zone 8a)
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Wintermoor
Jan 6, 2018 7:24 AM CST
Please help if you can and name this tree.
These leaves are about the size of a dinner plate and some are quite round.
Thank you in advance ... whoever you are Smiling
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jan 6, 2018 7:36 AM CST
Wintermoor said:
Thumb of 2018-01-06/Wintermoor/2745a9
e:

The leave looks similar to the Tung Oil Tree aka Vernicia fordii. Was the leaf attached to a petiole? Are there two red glands at the base of the leaf?


Another similar leaf is Chinese Parasol Tree aka Firmiana simples which does not have the two red glands.
Sorry, this is not the best photo.


There could be other possibilities but those are the two that I know. Thumbs up
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Rj
Just S of the twin cities of M (Zone 4b)
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crawgarden
Jan 6, 2018 8:11 AM CST
Maybe Tulip Tree
Tulip Tree (Liriodendron tulipifera)
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Jesteburg, Germany (Zone 8a)
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Wintermoor
Jan 6, 2018 4:46 PM CST
Thank you both for your efforts, folks, but neither of them fit the bill.
The Tung-oil tree would not grow here as it's too cold, windy and wet, the tulip tree has too many lovely flowers, this thing doesn't bloom.
I was almost impelled to celebrate on seeing the Chinese Parasol Tree, but at further inspection I had to say no to that one too.
You people are amazing. I've been looking for ages to find out anything like the shape or name for this tree, and you throw up three possibilities within a couple of hours.
Again, thank you, both! I tip my hat to you.
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jan 6, 2018 4:52 PM CST
Would you be able to post more photos? of the entire tree, the bark, how the leaves are arranged along the branches, etc. If you have seen flowers, fruits or seeds, did you take photos? if not, can you describe them? This would all be helpful.

I've never been to Germany so do not know the climate, but checking online for plant hardiness maps, it would appear that Jestesburg is a zone 8a or b, the same as where I live here in Savannah, Georgia. Not too cold for either of the two I suggested, but I will keep searching for answers.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jan 6, 2018 9:20 PM CST
Vernicia fordii has a German common name and does grow in Europe according to this invasive species compendium. Absolute minimum low temperature tolerance -23C (wouldn't last long where I live, that was the high temperature today Hilarious! )

https://www.cabi.org/isc/datas...
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jan 7, 2018 10:15 AM CST
Would you be able to post more photos? of the entire tree, the bark, how the leaves are arranged along the branches, etc. If you have seen flowers, fruits or seeds, did you take photos? if not, can you describe them? This would all be helpful.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: John
Scott County, KY (Zone 5b)
You can't have too many viburnums..
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ViburnumValley
Jan 7, 2018 9:46 PM CST
This is probably something easy/common like Paulownia tomentosa - but as others have stated:

Show us the whole tree, and more information besides one leaf!
John
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
My dogs love me; some people don't.
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greene
Jan 8, 2018 6:42 AM CST
ViburnumValley said:This is probably something easy/common like Paulownia tomentosa - but as others have stated:

Show us the whole tree, and more information besides one leaf!


I have grown P. tomentosa. Please, @Wintermoor, in addition to the other information we have requested, can you tell us is the leaf has a 'sticky' feel to it? Thank You!



Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jan 8, 2018 7:30 AM CST
There's red at the base of the leaf on the ID plant, where the petiole joins. It doesn't look like glands, but might be a clue. Doesn't Paulownia have a more cordate leaf base?
Name: John
Scott County, KY (Zone 5b)
You can't have too many viburnums..
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ViburnumValley
Jan 9, 2018 8:37 PM CST
How about the OP tell us whether the plant is opposite or alternate in leaf arrangement?

Most on this thread should be pretty aware that leaf morphology is quite variable on many woody plants, depending on whether the leaf derives from a dormant bud or from new seasonal stem growth extensions; whether the plant is growing in a sunny location or a shady location (often different on opposing sides of the same tree); and whether the particular fertility or moisture regimes of a plant are better/worse.

While this plant may ID out by some of the differences mentioned, it is perilous to use those judgements alone.
John
Jesteburg, Germany (Zone 8a)
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Wintermoor
Jan 12, 2018 3:32 AM CST
greene said: I have grown P. tomentosa. Please, @Wintermoor, in addition to the other information we have requested, can you tell us is the leaf has a 'sticky' feel to it? Thank You!


Sorry, I've been away for a couple of days so here are some more photos of the trunk etc., to show the tree form ( if that's the correct word). *Blush*

No, the leaves don't feel sticky to touch.

Thumb of 2018-01-12/Wintermoor/cb85b6





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Thumb of 2018-01-12/Wintermoor/799f42



Thumb of 2018-01-12/Wintermoor/e09e4f


Thumb of 2018-01-12/Wintermoor/4593ef

Name: Sherry Austin
Santa Cruz, CA (Zone 9a)
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Henhouse
Jan 13, 2018 8:34 PM CST
I wonder if it's something as simple as a Catalpa?
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Jesteburg, Germany (Zone 8a)
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Wintermoor
Jan 14, 2018 8:06 AM CST
I'm starting to lean heavily in favour of the Tung Oil Tree as initially suggested.
So, let me answer all of the questions posed from the beginning:
1. The leaf was attached to a petiole
2. I have never noticed glands on the leaf base.
3. I have never seen blooms, seeds nor fruit on this tree.
4. The leaves don't have a sticky or tacky feel to them.
5. Leaf arrangement: I didn't look to see whether the leaves are opposing or alternate, similar, whether they derive from buds or new growth. I'll have to wait until they start growing again to see.
5. Sunlight is mottled for the entire day.

I hope this helps, and I wish you all a happy Sunday.
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jan 14, 2018 8:14 AM CST
If you can get a close picture of a typical twig showing the dormant buds we should be able to tell if the leaf arrangement is opposite or alternate even without leaves.
Name: John
Scott County, KY (Zone 5b)
You can't have too many viburnums..
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ViburnumValley
Jan 14, 2018 9:55 AM CST
Not Paulownia tomentosa with that shaggier bark on trunk. Could still be Catalpa sp. though, as suggested.

Yes yes yes - take pictures of pertinent plant parts! Twigs, buds, stems, leaf scars, bud scars, sometimes even just lenticels - all these perfectly fine ID features.

There is no need to wait till new leaves emerge to ID a tree.
John
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
My dogs love me; some people don't.
Deer Bookworm Keeper of Poultry Vermiculture Garden Ideas: Master Level Region: Georgia
Plant Identifier Rabbit Keeper Composter Garden Sages Native Plants and Wildflowers Herbs
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greene
Jan 14, 2018 11:12 AM CST
The Tung Oil Tree has smooth bark.
It would have been good to have all the information and all the photos up front in the beginning. That being said, I have no clue what your tree is but I sure hope that when the new growth appears, when the tree leafs out, when the flowers bloom, and when the fruit forms, you will post photos for each stage and add them to the NGA database. Thumbs up
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Jesteburg, Germany (Zone 8a)
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Wintermoor
Jan 15, 2018 5:40 AM CST
I definitely will, greene, you can be sure of that.
Thank you again for all your help.

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