| Author | Content |
tlb654
Arnold, MD
(Zone 7a)
October 16, 2007
10:18 AM Post #4088928
| Looks like an oak leaf or some sort but I haven't a clue. Red and white new growth is a mystery. 
Click the image for an enlarged view.
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Resin
Northumberland
(United Kingdom)
(Zone 9a)
October 16, 2007
11:32 AM Post #4089162
| Yep, an oak of some sort, in the red oak group. Tricky to say which as the leaves are not fully grown, I'll make a guess at Quercus ilicifolia (Bear Oak) because of the woolly white undersides of the leaves.
Resin
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claypa
West Pottsgrove, PA
(Zone 6b)
October 16, 2007
1:46 PM Post #4089618
| Resin, is Spanish Oak / Cherrybark Oak / Quercus falcata var. pagodifolia (etc.) a possibility?
There are a lot of those in that part of Maryland. I didn't ID them, I read about them in some info the state had about trees in that area.
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Resin
Northumberland
(United Kingdom)
(Zone 9a)
October 16, 2007
2:04 PM Post #4089702
| Hi Claypa,
Wouldn't that have more deeply lobed leaves, with fewer lobes?
Resin
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claypa
West Pottsgrove, PA
(Zone 6b)
October 16, 2007
2:43 PM Post #4089812
| I suppose... my reasons for thinking Cherrybark oak are only that I know they're fairly common (but lots of others are too) ten miles away from Arnold, Md., and the leaves look like they have multiple pins on the lobes... I was hoping you could tell us!
I really don't know - as you say Resin, it's tricky because the leaves are so young. And tlb654, the new growth is a mystery. To me, all Oaks are a mystery, even fully grown! A few are easy to identify but some of them are really hard, for me anyway. I keep trying though.
Are there any mature trees nearby that might offer some clues, tlb654?
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tlb654
Arnold, MD
(Zone 7a)
October 16, 2007
9:12 PM Post #4091146
| Resin and Claypa, many thanks for the interest. I believe it's a mature red oak nearby (which has been severely challenged by several 100-ft tulip poplars), but based on appearances, I would never have guessed there could be a relationship. I'll be back tomorrow with what clues I can provide. |
tlb654
Arnold, MD
(Zone 7a)
October 17, 2007
10:52 AM Post #4092904
| Resin and Claypa, the center leaf goes with the "mystery" photo at the top.
The leaf on the right, which is the closest resemblance I can find, is from a scrubby six-foot tree 200 feet to the west.
The leaf on the left is from a 20-foot tree 10 feet away from the new growth photo.
I should mention that the new growth took place in June/July. I'm posting now because I didn't know about you then and forgot I had the photo. Thanks again.
Click the image for an enlarged view.
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Resin
Northumberland
(United Kingdom)
(Zone 9a)
October 17, 2007
2:17 PM Post #4093687
| Thanks!
Can you do a similar pic of the same leaves, showing the underside?
Resin
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tlb654
Arnold, MD
(Zone 7a)
October 17, 2007
2:56 PM Post #4093828
| Resin, as requested. Looks like 3 enitrely different oaks. 
Click the image for an enlarged view.
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Resin
Northumberland
(United Kingdom)
(Zone 9a)
October 18, 2007
2:22 PM Post #4097555
| Thanks!
Bit baffled now . . . not Quercus ilicifolia after all, that shoud retain the tomentose underside of the leaves.
Try pushing it through the keys here:
Field Guide to Native Oak Species of Eastern North America
[HYPERLINK@www.utextension.utk.edu]
(warning: 8½ megabyte pdf file)
Resin
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claypa
West Pottsgrove, PA
(Zone 6b)
October 19, 2007
6:03 PM Post #4102064
| I've been calling these Black Oak
edited to add that the base of the leaf is round, it's just obscured by the leaf on the ground behind it
This message was edited Oct 19, 2007 6:10 PM
Click the image for an enlarged view.
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claypa
West Pottsgrove, PA
(Zone 6b)
October 19, 2007
6:09 PM Post #4102085
| These are fuzzy / tomentose underneath.
They're similar to the Blackjack Oaks that way, and the shape reminds me of them too. Probably hybrids, but who knows of what...
Click the image for an enlarged view.
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claypa
West Pottsgrove, PA
(Zone 6b)
October 19, 2007
6:17 PM Post #4102121
| Sorry if I'm adding to the confusion, but these are similar. The base of the leaf looks more like tlb's Oak 
Click the image for an enlarged view.
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tlb654
Arnold, MD
(Zone 7a)
October 25, 2007
12:56 PM Post #4122480
| Resin, much appreciated the field guide link. Very informative. The cherrybark is definitely the best match when compared to a fully-developed leaf from the tree pictured above. (The guide also resolved questions about two white oaks in the yard - chestnut and chinquapin.) Thanks again.
Tom |
tlb654
Arnold, MD
(Zone 7a)
October 25, 2007
12:59 PM Post #4122489
| I also wanted to give credit to Claypa for his cherrybark call. Thanks to both of you. |
kman_blue
(Zone 6b)
November 6, 2007
2:27 AM Post #4162777
| It's very difficult to ID immature growth on Oaks, as well as seedling Oaks, but here goes. Your initial photo looks like the young growth on a Black Oak (Quercus velutina) to me. The photo of the 3 leaves look like they are from 2 different Oak species. The leaf on the far left is Northern Red Oak (Quercus rubra), while the other 2 leaves look like they are from the hybrid Oak called Bush's Oak (Quercus x bushii) which is a hybrid between Q. marilandica(Blackjack Oak) x velutina(Black Oak). |
ViburnumValley
Scott County, KY
(Zone 5b)
December 30, 2007
11:57 PM Post #4342725
| tlb/Tom:
You may have put this in the settled category, but none of the plants you've illustrated above (mature leaves) are cherrybark oak (Quercus pagoda, sometimes also listed as Quercus pagodifolia or Quercus falcata var. pagodifolia). Cherrybark oak will have fuzzy pubescence all over the underside of the leaf, and none of your pics on Oct. 17 show that. Cherrybark oak will usually have a much narrower leaf along the midrib, as well as lobes which extend horizontally from the centerline, thus the "pagoda" in the specific epithet.
I agree with kman's summary. First on left is red oak (Quercus rubra). The other two could both be black oak (Quercus velutina), depending on when you collected the leaves. Black oak will usually have the entire underside covered with pubescence through most of the growing season, but sheds this fuzziness later in the year.
Pictures of the emergent foliage is awesome -- so much color but so little definition to separate among the members of the red oak group.
Here's a cherrybark oak with new leaves.
Click the image for an enlarged view.
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ViburnumValley
Scott County, KY
(Zone 5b)
December 31, 2007
12:04 AM Post #4342749
| Here's Quercus shumardii (shumard oak). 
Click the image for an enlarged view.
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ViburnumValley
Scott County, KY
(Zone 5b)
December 31, 2007
12:10 AM Post #4342768
| And finally...here's Quercus rubra (red oak). 
Click the image for an enlarged view.
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tlb654
Arnold, MD
(Zone 7a)
February 4, 2008
1:03 PM Post #4494460
| Many thanks, Viburnum Valley. |
