Plant ID forum: Oak tree in Texas #4

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Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 5, 2015 12:44 PM CST
Tree stands about 70 feet tall. Roundish leaf lobes. Acorns are not yet ripe.

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More pictures
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Bark
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Entire tree
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May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

[Last edited by wildflowers - Sep 5, 2015 12:47 PM (+)]
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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 5, 2015 3:07 PM CST
Quercus gambelii?

http://dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?...

http://dendro.cnre.vt.edu/dendrology/distributionMap2.cfm?ID...
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 5, 2015 3:30 PM CST
The key you linked to on the other thread leads to Quercus macrocarpa, that doesn't look right but Quercus gambelii isn't listed on it.

http://bioimages.vanderbilt.edu/tree-key/oak-key.htm#9

http://dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?...

http://www.theplantlist.org/tpl1.1/record/kew-172843

Name: Porkpal
Richmond, TX
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porkpal
Sep 5, 2015 5:47 PM CST
Great links, Janet.
Porkpal
Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 5, 2015 6:05 PM CST
Thank you Janet. It does look promising. I'll be watching the acorns to see how they mature. Thank you for all of your help. It would be so nice to be able to identify at least some of the trees here.

For a little history, the property is mostly a hardwood deciduous forest, comprised predominately of oaks and hickories with a few pecans, then the understory trees and so on. I would guess there are at least a dozen oak varieties, not counting any cross-breeding that may have occured.

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Name: Jolana
Mountain City, Tx (Zone 8b)
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froggardener
Sep 5, 2015 6:37 PM CST
The leaves remind me of a blackjack oak
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Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 5, 2015 7:07 PM CST
Thank you Jolana. I keep coming upon the Blackjack oak for this one too...

edit to say I think this one is too tall.

May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

[Last edited by wildflowers - Sep 5, 2015 7:08 PM (+)]
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Name: josephine
Arlington, Texas (Zone 8a)
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frostweed
Sep 5, 2015 7:12 PM CST
I think Black Jack oak as well.
That is a very big one, we don't have them that big here in North Central Texas.
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Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 5, 2015 7:19 PM CST
You have a lot of Oaks there!

Blackjack Oak, Quercus marilandica has three lobed ends but generally not lobed elsewhere. It also has spines on the lobe tips.

http://www.bio.utexas.edu/courses/bio406d/images/pics/fag/qu...

Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
Sep 5, 2015 8:06 PM CST

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Post Oak (Quercus stellata)
Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Sep 5, 2015 8:27 PM CST
I'm sort of inclined to agree with Kent about the Post Oak. The bark and general growth look right. They are variable. No two trees are alike. I think they might grow larger in east Texas than here in North Central Texas, but an old undamaged tree can be large.
Donald
Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 6, 2015 7:50 AM CST
Yes, that is it - Post Oak, Q. stellata. This is a very old and large tree; there are a few very large trees in this area, some of them are starting to die off, not sure what the life expectancy is. Will have to look further.

Thank you all for your help!! Thumbs up Thumbs up

I am marking this one solved.
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Sep 6, 2015 9:12 AM CST
I looked at Quercus stellata, but passed it by because the leaves should form a 'cross', there may be some on this tree which do that, the shot of a leaf on it's own is close to that shape. The acorns protrude from the cap much more too, keep an eye on the acorns to see if they grow any bigger.

Alternate, simple, oblong, 6 to 10 inches long, with 5 lobes, the two middle lobes are distinctly square, resulting in an overall cruciform appearance, thickened texture; green above with scattered stellate pubescence, pubescent and paler below.


Acorns are 1/2 to 2/3 inches long and ovoid; cap is bowl-shaped and warty/scaly, covering 1/3 to 1/2 of the nut; Individual scales are more apparent than white oak; maturing in one year and ripening in the fall.


http://dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?...

Look under the leaves for the "stellate pubescence" as shown on the next link.

http://www.carolinanature.com/trees/qust.html
[Last edited by JRsbugs - Sep 6, 2015 9:16 AM (+)]
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Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 6, 2015 2:36 PM CST
Okay, Janet. I meant to look at the leaf underside yesterday while I was looking at one of the other tree's leaves. I'll do that and keep an eye on the acorns. Thumbs up

May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
Sep 6, 2015 6:19 PM CST

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wildflowers said:Yes, that is it - Post Oak, Q. stellata. This is a very old and large tree; there are a few very large trees in this area, some of them are starting to die off, not sure what the life expectancy is. Will have to look further.



Oak trees are starting to die off all over North America. Sad The proximate causes vary from place to place and tree to tree, but the ultimate cause is that the way we generally manage woodlands these days isn't favorable to oaks. They were exquisitely adapted the type of management used by aboriginal people for thousands of years, frequent low intensity fires primarily.

The stands of oaks you see around today are mostly remnants from the past. Woodlands dominated by oaks will persist for some time to come, for the simple reason that individual trees can live a long time, but they are steadily fading off the landscape.

Name: Ann ~Heat zn 9, Sunset
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flaflwrgrl
Sep 6, 2015 6:35 PM CST
Well that's pretty sad. Sad
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Name: Christine
North East Texas (Zone 7b)
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wildflowers
Sep 6, 2015 7:21 PM CST
It's true the woodlands are fading away. Much of the forests in this area have been cleared for farmland or the timber. That won't happen here as long as I have anything to say about it. We are just coming out of four years of extreme drought, the main cause of tree loss in this area and other parts of Texas.
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

Name: Christine
North East Texas (Zone 7b)
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wildflowers
Oct 1, 2015 6:19 PM CST
I keep coming back to Post oak, Quercus stellata for this one and feel quite sure Q. stellata is correct. Unfortunately, I can't get a close enough image to show the fine hairs. The acorns arent' ripe yet. I'll be keeping an eye out for changes in the autumn season.

http://www.public.iastate.edu/~bot356/species/species/p_tSpe...
http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/quercus...

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Thumb of 2015-10-02/wildflowers/2e1cb8
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

Name: Christine
North East Texas (Zone 7b)
Charter ATP Member Birds Organic Gardener Native Plants and Wildflowers Winter Sowing Herbs
Critters Allowed Dog Lover Cat Lover Keeper of Poultry Lover of wildlife (Raccoon badge) Composter
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wildflowers
Oct 1, 2015 6:52 PM CST
Here is a tree that I think is Blackjack, Quercus marilandica

The thread "Oak tree in Texas #6" in Plant ID forum
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb

Name: Porkpal
Richmond, TX
Charter ATP Member I was one of the first 300 contributors to the plant database! Keeper of Poultry Farmer Roses Raises cows
Garden Ideas: Level 2 Celebrating Gardening: 2015 Plant Identifier
porkpal
Oct 1, 2015 7:42 PM CST
I always think of Post Oaks as having a rather awkward form. Is this tree symmetrical?
Porkpal

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