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ViburnumValley Scott County, KY(Zone 5b) Mar 13, 2016

That looks like a fine old Sugar Maple (Acer saccharum).

Young twigs of Styrax obassia have bark that peels, yes.

My 6 Cornus mas 'Golden Glory' are about 25 years old.

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Weerobin Saint Louis, MO(Zone 6a) Mar 13, 2016

OK, OK, no more flowers. I ventured out into the rain to try to find a peeling young twig on my Styrax obassia, but I couldn't see anything interesting. Maybe too early in the season. My Styrax japonica on the other hand has a string of these growths - are these burls? And is it normal behavior or does it indicate a disease? I've never noticed it before.

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ViburnumValley Scott County, KY(Zone 5b) Mar 13, 2016

Many little aliens faces there, Wee. I'd be sleeping with one eye open...

There apparently is something causing initiation of adventitious buds at those points. There's evidence of weak stem growth from each of them. How have you been treating this plant? Lots of summer drought stress? Severe winter temps? Influences like that can sometimes cause this reaction.

Keep looking on your Styrax obassia. It is normal behavior for the species.

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Mipii (Robin) Blissfield, MI(Zone 6a) Mar 13, 2016

I bet that quick answer was a mind-easer Wee. I'm happy for you it was caused by climactic stress and not something that requires incision and extracting!

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Weerobin Saint Louis, MO(Zone 6a) Mar 13, 2016

Interesting, as I had already speculated about the alien theory. Nice to have confirmation.

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ViburnumValley Scott County, KY(Zone 5b) Mar 13, 2016

Did Sigourney Weaver used to own your house...

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Loretta_NJ (Zone 6b) Mar 14, 2016

Now who's off topic?
That Golden Glory Cornus Mas is amazing!

And nice flowers, Wee.

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Loretta_NJ (Zone 6b) Mar 14, 2016

I happen to find not so great pictures of Styrax japonica since we are on the subject and you can see it has those knobs too. Twigs not so interesting.

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Loretta_NJ (Zone 6b) Mar 14, 2016

Did we do Halesia yet? Which one, I'm not sure.
This message was edited Mar 14, 2016 8:38 PM

This message was edited Mar 14, 2016 8:43 PM

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Loretta_NJ (Zone 6b) Mar 14, 2016

Another representative of Cornus Mas Redstone-1
Compared to Cornus officinalis -2

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