sinistrorsal

/ˌsɪnɪˈstrɔrsəl/
adjective
  1. Rising or coiling in a leftward or counterclockwise direction.
    • Botanists noted the sinistrorsal growth pattern of the bean plant.
    • The shell of the snail was sinistrorsal, rare for that species.
    • The sinistrorsal vine wrapped around the pole to the left.
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