[pol-ee-guh-ney-shuh s, puh-lig-uh-ney-]
- belonging to the Polygonaceae, the buckwheat family of plants.
Compare buckwheat family.
Origin of polygonaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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