Polygonales was an order of flowering plants, recognized by several older systems, such as the Wettstein system, last revised in 1935, the Engler system, in its update of 1964, and the Cronquist system, 1981.

Families in the order Polygonales of plants


Polygonaceae - Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family".