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Veronica L. - (speedwells)
This genus contains around 200 species of herbaceous plants, some are also shrubs or small trees. Some have medicinal properties, but several species are considered to be important weeds in temperate regions which affect crops like cereals and vegetables or turf. For example, Veronica arvensis or V. persica are weedy species.
The plants are usually low growing with small flowers that are often blue and have 4 petals. The seeds are flattened capsules.
For details see the respective page in Wikipedia.
The literature database currently contains 112 publications for Veronica (weeds). Please note that literature records for genera may not be complete. See box above on left for queries from the literature database.
Currently, the following species have been entered into the system: