Invasive Species
In New Zealand, where it is known as the Russell lupin, Lupinus polyphyllus is classed as an invasive species and covers large areas next to roadsides, pastures and riverbeds, especially in the Canterbury region. It is documented as being first naturalised in 1958 and it has been suggested that tour bus drivers deliberately spread seeds of the plant to promote colourful roadside vegetation in areas which some tourists may consider to be rather drab.
The plant threatens indigenous species especially when it invades the braided river beds in the South Island.
Read more about this topic: Lupinus Polyphyllus
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