polygonum
Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to polygonum: Polygonum aubertii, Polygonum Baldschuanicum, Polygonum cuspidatum, Polygonum multiflorum
po·lyg·o·num
(pə-lĭg′ə-nəm)n.
Any of numerous plants of the genus Polygonum and several closely related genera of the family Polygonaceae, characterized by stems with knotlike joints and sheathing stipules.
[New Latin Polygonum, genus name, from Greek polugonon, knotgrass : polu-, poly- + gonu, knee; see genu- 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.
polygonum
(pəˈlɪɡənəm)n
(Plants) any polygonaceous plant of the genus Polygonum, having stems with knotlike joints and spikes of small white, green, or pink flowers. Also called (obsolete): polygony See also knotgrass, bistort, prince's feather2
[C18: New Latin, from Greek polugonon knotgrass, from polu- poly- + -gonon, from gonu knee]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
| Noun | 1. |  Polygonum - diverse genus of herbs or woody subshrubs of north temperate regionsdicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination buckwheat family, family Polygonaceae, Polygonaceae - a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats China fleece vine, Polygonum aubertii, Russian vine, silver lace vine - twining perennial vine having racemes of fragrant greenish flowers; western China to Russia buckwheat, Fagopyrum esculentum, Polygonum fagopyrum - a member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flour kiss-me-over-the-garden-gate, Polygonum orientale, prince's-feather, prince's-plume, princess feather - annual with broadly ovate leaves and slender drooping spikes of crimson flowers; southeastern Asia and Australia; naturalized in North America |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.