Click on images to enlarge
infestation (Photo: Trevor James)
habit (Photo: Trevor James)
habit (Photo: Trevor James)
older stem with adventitious roots (Photo: Trevor James)
leaves with finely toothed margins (Photo: Trevor James)
close-up of younger stem and stalkless leaf base (Photo: Trevor James)
paired upper leaves and with young flower clusters in their forks (Photo: Trevor James)
flower clusters (Photo: Jackie Miles and Max Campbell)
close-up of flowers (Photo: Trevor James)
immature fruit (Photo: Rob and Fiona Richardson)
close-up of mature fruit (Photo: Jose Hernandez at USDA PLANTS Database)
close-up of seeds (Photo: Jose Hernandez at USDA PLANTS Database)
Scientific Name
Veronica anagallis-aquatica L.
Family
Schrophulariaceae
Common Names
blue water speedwell, blue water-speedwell, brook pimpernel, greater water speedwell, long leaved water speedwell, pink water speedwell, pink water-speedwell, veronica, water pimpernel, water speedwell
Origin
The exact native range of this species is obscure. However, it is thought to be native to Europe, parts of Africa, western and northern Asia, the Indian Sub-continent, eastern Asia (i.e. China and Korea) and parts of South America.
Naturalised Distribution
Widely naturalised in south-eastern Australia (i.e. in eastern and southern New South Wales, the ACT, eastern Victoria and south-eastern and eastern South Australia). Also sparingly naturalised in south-eastern Queensland.
Notes
Blue water speedwell (Veronica anagallis-aquatica) is regarded as an enviornmental weed in Victoria, and is thought to be a potential threat to one or more vegetation formations in this state.
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