Sinistrorsely

sinistrorse

[sin-uh-strawrs, si-nis-trawrs, sin-uh-strawrs]
adjective Botany.
(from a point of view at the center of the spiral) rising spirally in a counterclockwise manner, as a stem (opposed to dextrorse ).

Origin:
1855–60; < Latin sinistrōrsus literally, turned leftwards, contraction of *sinistriversus. See sinister, versus

sinistrorsely [sin-uh-strawrs-lee, sin-uh-strawrs-] , adverb
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World English Dictionary
sinistrorse (ˈsɪnɪˌstrɔːs, ˌsɪnɪˈstrɔːs)
 
adj
Compare dextrorse (of some climbing plants) growing upwards in a spiral from right to left, or clockwise
 
[C19: from Latin sinistrōrsus turned towards the left, from sinister on the left + vertere to turn]
 
sinis'trorsal
 
adj
 
'sinistrorsely
 
adv

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