close-up spiny tree trunk of zanthoxylum americanum, prickly ash, suterberry or sichuan pepperon natural green bokeh background

americanum aromatic ash autumn background bark beautiful beauty berry bokeh botany branch branches bungeanum bush close closeup concept design environment fall flora focus food fruit garden green growth health healthy herb ingredient japanese landscape macro medicine natural nature organic pepper pepperon piperitum plant prickly selective sichuan spiny suterberry texture toothache traditional tree trunk wood yellow zanthoxylum