About Veronica arvensis L.
Species Nomenclature and Growth Type
Veronica arvensis L. is an annual herb that grows from a taproot.
Hair Covering and Growth Form
It is covered in hairs, and ranges in growth form from erect to nearly recumbent, reaching 9 to 40 centimetres (3.5 to 15.7 in) in height.
Leaf Arrangement
Its leaves are arranged in opposite pairs around the stem; lower leaves have short petioles, while upper leaves are sessile.
Leaf Morphology
Each leaf is 1.5 to 2.5 centimetres (0.59 to 0.98 in) long, shaped ovate or triangular with a truncated or slightly cordate base, and has coarse teeth.
Inflorescence Structure
The flowers are borne in a raceme that is initially compact and elongates as it ages.
Flower Appearance
The flowers are pale blue to blue-violet, 2 to 3 mm in diameter, four-lobed with a narrow lowest lobe.
Flower Stalk Characteristics
Flower stalks measure 0.5 to 2 millimetres (0.020 to 0.079 in) and are shorter than the bracts.
Fruit Morphology
The fruit capsules are heart-shaped and shorter than the sepal-teeth.
Flowering Period
This species flowers from April to October.
Photographic Resource
Photographic examples of Veronica arvensis L. can be viewed on iNaturalist.
Species Distinction from Similar Taxa
Compared to similar species, V. arvensis has incised rather than deeply lobed stem leaves.
Similar Species Comparison
The similar species Veronica verna has well-lobed stem leaves, but when it produces only a small number of leaves, the whole plant can resemble V. arvensis.
Native Distribution
Veronica arvensis L. is native to Africa, Asia, and Europe.
Medicinal Classification
It is classified as a medicinal plant.
Ethnobotanical Properties
In ethnobotany, this herb has alterative, antiscorbutic, and diuretic properties.
Internal Medicinal Uses
It has been used to treat scurvy, blood impurities, and other related conditions. It is also used as a remedy for scrofulous affections, especially those affecting the skin.
External Medicinal Uses
When bruised, it can be applied externally to help heal burns and ulcers.