Quercus variabilis is a fast-growing deciduous oak native to East Asia, known for its deeply furrowed corky bark and distinctive bristle-tipped, sawtooth-edged leaves.
Above information is sourced from Wikipedia
© Kim, Hyun-tae (CC-BY)
© (c) Lewis, some rights reserved (CC BY-SA)
© (c) 潘立傑 LICHIEH_PAN, some rights reserved (CC BY)
© christelle oukkadour
© (c) poyin, some rights reserved (CC BY)