Growing upward in a spiral that turns from right to left: a sinistrorse vine.
ETYMOLOGY:
Latin sinistrrsus, turned toward the left, contraction of *sinistrversus : sinistr, toward the left, from ablative of sinister, left + vorsus, past participle of vortere, variant of vertere, to turn; see wer-2 in Appendix I.
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rsus, turned toward the left, contraction of *sinistr
