polygonaceous

polygonaceous

[pol-ee-guh-ney-shuhs, puh-lig-uh-ney-]
adjective
belonging to the Polygonaceae, the buckwheat family of plants.


Origin:
1870–75; < Neo-Latin Polygonace(ae) (Polygon(um) the type genus (< Greek polýgonon knotgrass, literally, something with many joints; see poly-, knee, -gon) + -aceae -aceae) + -ous

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World English Dictionary
polygonaceous (ˌpɒlɪɡəˈneɪʃəs, pəˌlɪɡə-)
 
adj
of, relating to, or belonging to the Polygonaceae, a chiefly N temperate family of plants having a sheathing stipule (ocrea) clasping the stem and small inconspicuous flowers: includes dock, sorrel, buckwheat, knotgrass, and rhubarb

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