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Veronica persica (common names: Persian speedwell, large field speedwell, bird's-eye, or winter speedwell) is a flowering plant native to Eurasia. It was first recorded in Britain in 1825 and is widespread in North America and eastern Asia, including Japan and Taiwan.
The cotyledons are triangular with truncated bases. The short-stalked leaves are broadly ovate with coarsely serrated margins, and measure 1 to 2 cm long. The leaves are paired on the lower stem and are alternately arranged on the upper parts. The plant has weak stems that form a dense, prostrate groundcover. The tips of stems often grow upright.
The flowers are roughly a centimeter wide and are sky-blue with dark stripes and white centers. They are zygomorphic, with one vertical plane of symmetry. They are solitary on long, slender, hairy stalks in the leaf axils.
The seeds are transversely rugose and measure between 1 and 2 millimeters long. There are 5 to 10 seeds per locule in the fruit.
The plant is an annual or winter annual herb that reproduces from seed.
Although many species in the genus are used in gardens (such as V. exalta, V. incana, V. gentianoides, V. longifolia, V. perfoliata, and V. spicata), this species is generally seen as a weed and has no known horticultural uses.
- Blamey, M., et al. 2003. Wild flowers of Britain and Ireland: The Complete Guide to the British and Irish Flora. A & C Black, London.
- Rhoads, A. F. and T. A. Block. Plants of Pennsylvania: An Illustrated Manual, 2nd ed. University of Pennsylvania Press, Philadelphia. 2007.
- Gleason, H. A. and A. Cronquist. Manual of Vascular Plants of Northeastern United States and Adjacent Canada, 2nd ed. New York Botanical Gardens, New York, New York. 1991.
- Thomas, G. S. Perennial Garden Plants or the Modern Florilegium, 2nd ed. J. M. Dent and Sons, London. 1992.
- Veronica persica. USDA Plants Database.