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Evening Primrose - introduced (*Oenothera stricta)

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Family: Onagraceae (Willow-herb family).

Native of South America.

Occurrence: Moderately common roadside weed.


The flowers of Evening Primrose open at night, and are fertilised by moths. The flowers darken after fertilisation.

It is an environmental weed.

Photos: Evening Primrose. Goornong-Axedale Road, Fosterville.