Rhus copallinum ?

Resin

Mockernut Hickory?

Looks a bit like my Bottlebrush buckeye, except for the scalloped leaf-edges, and too many leaflets. So that's not it.

Can you take a picture of the bundle scar from a newly removed leaf?

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This tree blooms in late August, sorry no bundle scars.
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Tree of heaven maybe? It looks so similar except for the texture of the leaves. I'm sure it must be in the same family. But it does look beautiful those trees usually are ratty and have a drab characteristic to my neighbors lol

I would go with nearly same guess as pineresin, but not shiny, so I guess it is Rhus chinensis.

Tree-of-heaven?...not even close unless there's another tree called that, that I'm not aware of.

I think Rhus chinensis is likely.

yeah tree of heaven is its actual name sounds weird but it is true. Still uncertain about the species. My friend made the terrible mistake to think of it being a black walnut tree XD

I think brandon is quite familiar with Ailanthus' common name... ;)

A rhus is all I can think of either...

Gardenapprentice, you might want to google-image 'tree of heaven'. Sam's tree doesn't even resemble it.

Rhus chinensis is propably right, it seems to have those strange "winged" leaf stalks.

same tree, pix taken today, Balto. County, never seen fruit produced. BTW lots of honeybees.

The flowers do also suggest Rhus chinensis. Two trees are probably needed to produce fruit.

I think huggorm is correct on the species. Probably the cultivar September Beauty, which is a male clone.

Pictures of R. chinensis in Bing image search result look just like the tree shown here. Jacobson, North American Landscape Trees (1996, Ten Speed, Berkeley) describes it under R. javanica var. chinensis, says it is "Rare in North America" and "seldom suckering".

Huggorm should get at least part of the credit for the ID. The only time I've seen this species (September Beauty) was in the fields of a grower in OH, where suckering did occur on older plants. IIRC those plants may have experienced some dieback after the polar vortex a couple years ago.

Quite a specimen tree, and a very late bloomer for a sumac.

If it doesn't sucker and doesn't seed, that's 2 out of 3 Rhus problems solved. Now need to know if it is weak-wooded.

I sure do like it!

Dirr (Encyclopedia of Trees and Shrubs) says, "Suckers do develop; to keep the plant in bounds, simply mow them off. A good choice for use where walls, walks, and roads will limit its spread. Grows 20 to 25 ft high, spreads indefinitely. 'September Beauty' was selected (at Rutgers) for its larger flowers and tree-type habit. It is stunning in flower. Aggressive and will sucker, engulfing considerable real estate."

The older plants of September Beauty I observed in OH were suckering. The grower claimed that September Beauty had never set seed.