See Also: polygonum(medicine)
polygonum(dictionary)

polygonum (iou)



polygonum noun1. E18.
[mod. Latin (see below), from Greek polugonon, formed as POLY- + gonu knee, joint.]
Botany. Any of various plants (e.g. knotgrass, persicaria, etc.) now or formerly included in the genus Polygonum (family Polygonaceae), with swollen joints sheathed by stipules and small pink or white apetalous flowers; Austral. a thicket-forming shrub, Muehlenbeckia cunninghamii.