Rhus aromatica (fragrant sumac)
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Key of Rhus (sumacs)
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1. Leaves with three leaflets
and a strong, aromatic smell when crushed:
Rhus aromatica (fragrant sumac)
1. Leaves with many pinnate leaflets and no strong smell
when crushed: go to 2
2. Leaves shiny green with few
teeth and winged rachis, fruits dark and drooping:
Rhus
copallinum
2. Leaves dull green with teeth and no winged rachis,
fruits red and erect: go to 3
3. Twig densely hairy, underside of leaf
with hairy midrib:
3. Twig not hairy or sparsely hairy, underside of leaf
with waxy white coating (glaucous):
Rhus
glabra
.