Rhus lanceolata, the prairie sumac, is a species of plant native to the south-western United States (Texas, Oklahoma, Arizona, New Mexico), and northern Mexico (Coahuila, Nuevo León and Tamaulipas).

Rhus lanceolata is a shrub or small tree up to 9 m (30 feet) tall, reproducing by means of underground rhizomes. Leaves are pinnately compound with 13-17 lanceolate leaflets and a winged rachis. Leaflets are entire (untoothed) or with small teeth, green and shiny above but whitish and pubescent below. Flowers are born in a panicle up to 14 cm (5.6 inches) tall. Flowers are white to greenish. Fruits are lens-shaped, about 6 mm (0.25 inches) across, dark red and hairy.

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