Century Dictionary and Cyclopedia
- Same as sinistrorse. G. Johnston, tr. of Cuvier's Règne Animal.
GNU Webster's 1913
- adj. Rising spirally from right to left (of the spectator); sinistrorse.
- adj. spiraling upward from right to left
- Latin sinistrorsus, sinistroversus, turned toward the left side; sinister left + vertere, vortere, versum, vorsum, to turn. (Wiktionary)
“Though the bean always insists on a sinistrorsal growth, as B, the hop prefers to climb in a dextrorsal manner, as A.”
“Other plants twining spirally around an axis from right to left are called sinistrorse or sinistrorsal.”
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