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Smooth Sumac vs Staghorn Sumac

Smooth and staghorn sumac are very similar in appearance, but are usually easily distinguished by the presence or absence of hairs along stems. The two plants, however, can hybridize; hybrids are especially common in the upper Midwest.

Smooth Sumac (Rhus glabra)

Staghorn Sumac (Rhus typhina)

A thicket-forming, drought-tolerant shrub or small tree, native to a wide range across North America.
A thicket-forming shrub or small tree native to eastern North America; a pioneer species preferring rocky soils.
Twigs and petioles hairless and with a pale waxy coating.
Photo © botanygirl, CC BY 4.0.
Twigs and petioles densely hairy.
Photo © Charlie Hohn, CC BY 4.0.
Fruit clusters slightly looser, more likely to droop or lean.
Photo © Alaina Larkin, CC BY 4.0.
Fruit clusters tighter, more consistently upright.
Photo © Ryan Kurtz, CC BY 4.0.
Smaller average and maximum size, both height and trunk diameter. Tends to have a shrubbier habit.
Photo © Annika Lindqvist, CC BY 4.0.
Averages taller and can reach 40 feet in height; more likely to have a tree-like habit.
Photo © Charlie Hohn, CC BY 4.0.
Sparser growth habit, often letting ample light through.
Photo © Laura Holloway, Public Domain.
Denser growth habit, often letting less light through.
Photo © charlie, CC BY 4.0.