Rhus integrifolia, also known as lemonade sumac, lemonade berry, or lemonadeberry, is a shrub to small tree in the sumac genus Rhus. It is native to the Transverse and Peninsular Ranges and the South Coast regions of Southern California. This extends from Santa Barbara County and the Channel Islands to San Diego County and extending into north-central Pacific coastal Baja California and its offshore islands such as Cedros Island.

It is 1–8 metres (3.3–26.2 ft) in height, with a sprawling form, and is a member of the chaparral plant community often found in canyons and on north-facing slopes below elevations of 900 metres (3,000 ft). Rhus integrifolia often hybridizes with Rhus ovata.

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