sinistrorse
adjective
sinis·trorse
| \ ¦sinə̇¦strȯ(ə)rs, sə̇ˈniˌs-\
variants:
or less commonly sinistrorsal \ ¦sinə̇¦strȯrsəl \
Definition of sinistrorse
1
of a plant
: twining spirally upward around an axis from right to left:
a
: twining counterclockwise when the observer's point of view is within or above the spiral
b
: twining clockwise when the observer's point of view is outside the spiral — compare dextrorse
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