A very closely related weed is pale willow weed (Persicaria lapathifolia), which looks very similar to willow weed but the seed head is a paler pink, hence its name, often there is no blotch on the ...

The pink flower weed is invading and destroying our indigenous grasslands, and livestock farmers, who do not control this weed, will go bankrupt, says Melville Koppies chairperson Wendy Carstens.

The leaf shape and flowers of this weed are both quite distinctive. Stems tend to be quite weak ... Flowers are conspicuous clusters of about a dozen pink florets, with a distinctive purple colour at ...