Polygonum Definition
pə-lĭgə-nəm
noun
Any of a genus (Polygonum) of annual or perennial plants of the buckwheat family, having conspicuous enlarged nodes, ocreae, and small whitish, greenish, or pink flowers in the leaf axils or in terminal clusters.
Webster's New World
Synonyms:
- genus Polygonum
pronoun
A taxonomic genus within the family Polygonaceae "” including the various knotweeds, smartweeds, and bistort.
Wiktionary
Origin of Polygonum
-
New Latin Polygonum genus name from Greek polugonon knotgrass polu- poly- gonu knee genu-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
New Latin, from Greek a kind of plant; many + the knee, a joint of a plant. So called in allusion to the numerous joints
From Wiktionary
The name is probably derived from the Ancient Greek πολύς (polus, “many") and γόνυ (gony, “knee")
From Wiktionary
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