Lycaena orus, the western sorrel copper, is a butterfly of the family Lycaenidae. It is found only in South Africa (Eastern Cape Province, Western Cape Province). The habitat consists of fynbos at various altitudes, from sea level to montane regions.
The wingspan is 21âÂÂ27 mm. The butterfly flies year-round, peaking in summer.
Larval food is Polygonum undulatum and Rumex lanceolatus.