Plant ID forum→(Sub)tropical tree?

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Name: Ron
Naples, Florida (Zone 10a)
Region: Florida Hummingbirder Butterflies Adeniums Bromeliad Hibiscus
Foliage Fan Plant and/or Seed Trader Xeriscape Seed Starter Garden Ideas: Level 1 Plant Identifier
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rattlebox
Dec 31, 2019 2:33 PM CST
I have three of these trees that popped up on my property here in SW Florida after Hurricane Irma passed through.

The tallest of the three, the one in the photo, stands about 10 feet tall. They are growing in in the same general shady area, in open, sandy soil.

The mature leaves run ~ 4-6" in length.

Thumb of 2019-12-31/rattlebox/c63386


Thumb of 2019-12-31/rattlebox/fdb416

[He] decided that if a few quiet beers wouldn't allow him to see things in a different light, then a few more probably would. - Terry Pratchett
Name: Stefan
SE europe(balkans) (Zone 6b)
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skopjecollection
Dec 31, 2019 2:48 PM CST
The leaves are like a monocot's....
Ruscus?
Name: Porkpal
Richmond, TX
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porkpal
Dec 31, 2019 4:17 PM CST
It looks like a willow to me.
Porkpal
Name: Stefan
SE europe(balkans) (Zone 6b)
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skopjecollection
Dec 31, 2019 4:30 PM CST
Definitely not a willow. Willows have a clear dicot leaf structure(central vein with pinnate branching secondary veins) and have a jagged edge...
There is a large willow tree near my building, ive also seen other wild varieties. I can tell with absolute certainty this is not one.
Name: ursula
Chile (Zone 9b)
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Mutisia
Dec 31, 2019 4:43 PM CST
I think it could be this type of Acacia, or a similar one:

Acacia aulacocarpa


[Last edited by Mutisia - Dec 31, 2019 4:49 PM (+)]
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Name: ursula
Chile (Zone 9b)
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Mutisia
Dec 31, 2019 4:53 PM CST
I must be doing something wrong - the suggested name was meant to be a link to our PDB.
Name: Connie
Willamette Valley OR (Zone 8a)
Forum moderator Hybridizer Region: Pacific Northwest Lilies Sempervivums Sedums
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pardalinum
Dec 31, 2019 5:35 PM CST
Ursula's link:

Brown Salwood (Acacia aulacocarpa)
Name: ursula
Chile (Zone 9b)
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Mutisia
Dec 31, 2019 5:41 PM CST
Thank you, Connie.
Name: Connie
Willamette Valley OR (Zone 8a)
Forum moderator Hybridizer Region: Pacific Northwest Lilies Sempervivums Sedums
Pollen collector I was one of the first 300 contributors to the plant database! Plant Database Moderator Charter ATP Member Garden Ideas: Master Level Plant Identifier
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pardalinum
Dec 31, 2019 5:52 PM CST
I tip my hat to you.
Name: Ron
Naples, Florida (Zone 10a)
Region: Florida Hummingbirder Butterflies Adeniums Bromeliad Hibiscus
Foliage Fan Plant and/or Seed Trader Xeriscape Seed Starter Garden Ideas: Level 1 Plant Identifier
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rattlebox
Dec 31, 2019 6:15 PM CST
Acacia aulacocarpa looks like a possibility. I'll look into that more.
[He] decided that if a few quiet beers wouldn't allow him to see things in a different light, then a few more probably would. - Terry Pratchett
Name: Ron
Naples, Florida (Zone 10a)
Region: Florida Hummingbirder Butterflies Adeniums Bromeliad Hibiscus
Foliage Fan Plant and/or Seed Trader Xeriscape Seed Starter Garden Ideas: Level 1 Plant Identifier
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rattlebox
Dec 31, 2019 7:01 PM CST
Thank you, Ursula! (And everyone else that chimed in.) I believe we may have a winner.

When I think of Acacia, I always expect leaves typical of plants in the bean family. Now I have learned that the "leaves" of Acacia aulacocarpa (and many other Acacias) are not true leaves, but modified leaf petioles (phyllodes) which function as leaves. That explains the linear vein structure resembling a monocot.

Also, I have seen trees in bloom around the Naples area looking very much like Acacia aulacocarpa or Acacia auriculiformis, or something similar.

I can't be sure of exact species, but it doesn't really matter, as both listed are considered invasive in Florida, so whatever I have will be removed.

Thanks again. Good info to have while the trees are still small enough to be easily removed.

I'm marking this thread as solved.

Ron
[He] decided that if a few quiet beers wouldn't allow him to see things in a different light, then a few more probably would. - Terry Pratchett
[Last edited by rattlebox - Dec 31, 2019 8:43 PM (+)]
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Name: Lin Vosbury
Sebastian, Florida (Zone 10a)

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plantladylin
Dec 31, 2019 7:04 PM CST
I wonder if it might be the invasive Earleaf Acacia (Acacia auriculiformis) that is found in South Florida?

http://www.plantatlas.usf.edu/...
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Name: Ron
Naples, Florida (Zone 10a)
Region: Florida Hummingbirder Butterflies Adeniums Bromeliad Hibiscus
Foliage Fan Plant and/or Seed Trader Xeriscape Seed Starter Garden Ideas: Level 1 Plant Identifier
Image
rattlebox
Dec 31, 2019 7:42 PM CST
Thanks, Lin!

I agree A. auriculiformis may be the more likely suspect here in south Florida from what I have been reading.

However, they will not live long enough to bloom for a more positive ID. Green Grin! Big Grin Green Grin!
[He] decided that if a few quiet beers wouldn't allow him to see things in a different light, then a few more probably would. - Terry Pratchett

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