dex·trorse

(dĕk′strôrs′)

adj. Botany

Growing upward in a spiral that turns from left to right: a dextrorse vine.

[Latin dextrōrsus, from dextrōvorsus, turning toward the right : dexter, right; see dextro- + versus, past participle of vertere, to turn; see wer- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dextrorse

(ˈdɛkstrɔːs; dɛkˈstrɔːs) or

dextrorsal

adj

(Botany) (of some climbing plants) growing upwards in a helix from left to right or anticlockwise. Compare sinistrorse

[C19: from Latin dextrorsum towards the right, from dextro- + vorsus turned, variant of versus, from vertere to turn]

ˈdextrorsely adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

dex•trorse

(ˈdɛk strɔrs, dɛkˈstrɔrs)

adj.

twining in a clockwise direction from the base.

[1860–65; < Latin dextrorsum toward the right, earlier dextrōvorsum=dextrō- to the right (see dexter) + vorsum, acc. of vorsus, variant of versus, past participle of vertere to turn]

dex′trorse•ly, adv.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

dextrorse - spiraling upward from left to right; "dextrorse vines"

dextrorsal

phytology, botany - the branch of biology that studies plants

dextral - of or on the right; "a dextral gastropod shell with the apex upward has its opening on the right when facing the observer"; "a dextral flatfish lies with the right eye uppermost"

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References in periodicals archive

La variance dans la concentration des sediments en suspension pourrait s'expliquer en partie seulement par le debit; une hysteresis dextrorse frequente et des pointes non reliees a la variation du debit dans la concentration saisonniere de sediments contribuaient egalement a cette variance.

Hydrometeorology, suspended sediment and conductivity in a large glacierized basin, Slims River, Yukon Territory, Canada (1993-94)

Petals usually contorted in bud, either dextrorse or sinistrorse, more rarely valvate.

Anthers adnate to style head; corolla-lobe aestivation in bud typically dextrorse (overlapping to the right) or valvate, rarely sinistrorse; fruit dehiscent, almost always apocarpous, a pair of follicles, sometimes reduced to one by abortion or postgenitally fused; seeds small, compressed, almost always with coma (tuft of hairs) at one end 2 1.

A Revised Classification of the Apocynaceae s.l