Sinistrorse meaning

sĭnĭ-strôrs
Growing upward in a spiral that turns from right to left.

A sinistrorse vine.

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(bot.) Twining upward while constantly turning to the left, as the stems of some vines do.
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Turning to the left (of the observer) in the ascending line.
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Origin of sinistrorse

  • Latin sinistrōrsus turned toward the left contraction of sinistrōversus sinistrō toward the left from ablative of sinister left versus past participle of vertere to turn wer-2 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary