polygonum

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.

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[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

Thesaurus

Noun

1.

Polygonum - diverse genus of herbs or woody subshrubs of north temperate regions genus Polygonum dicot 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

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