Smooth Sumac Rhus glabra
Family: Anacardiaceae (Cashew)
Branching: Alternate

Not as common as Staghorn Sumac, but very similar, other than the lack of hair.  Also Smooth Sumac tends to have angled, or slightly flattened branches.  

Smooth Sumac end bud and winter twig

Another view of the twig

Lateral bud and leaf scar.  

Another view of the winter twig.  Notice the slightly angular stem

Like Staghorn, smooth Sumac has a thick spongy pith

The fruits are similar to Staghorn Sumac, though smaller and less fuzzy

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copyright © 2008 Josh Sayers
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