United States, Illinois, Kane, Along the Milwaukee Railroad east of the business district in Hampshire. South of the railroad.
TRS: T42N R6E S22SW 1/4 and S27 - NW 1/4
Flower: Y Fruit: N Vegetation: Y Bud: N
Growing spontaneously This very striking and ornamental inflorescence, coupled with HUGE leaves and an immense plant size, lead one to believe it is this species rather than Polygonum cuspidatum; even though Gray's Manual states that Polygonum sachalinense has greenish flowers.