Looking for a tree that is highly versatile and adaptable to various environments? Look no further than the Quercus wislizeni, commonly known as the Interior Live Oak or Sierra Live Oak. Found primarily in California, this evergreen oak is highly variable and often shrubby, growing up to 60 ft tall. Its dark-green leaves are small and can be spiny-toothed, particularly on young trees. The Interior Live Oak is classified in the red oak section and has been documented to hybridize with other red oak species. This tree is perfect for those looking for a landscape feature that can thrive in various altitudes and topographies.