Vaccinium vitis-idaea
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Vaccinium vitis-idaea (Cowberry and Lingonberry) is a small evergreen shrub in the flowering plant family Ericaceae that bears edible fruit. It is seldom cultivated but the fruit are commonly collected from the wild. The native habitat is the circumboreal forests of northern Eurasia and North America, extending from temperate into subarctic climates.
There are two varieties of Vaccinium vitis-idaea:
- Vaccinium vitis-idaea var. vitis-idaea L. Cowberry. Eurasia. Leaves 10-25 mm long.
- Vaccinium vitis-idaea var. minus Lodd. Lingonberry. North America. Leaves 7-20 mm long.
Cowberry and Lingonberry shrubs are typically 10-40 cm in height and have a compact habit. They prefer some shade (as from a forest canopy) and constantly moist, acidic soil. Nutrient-poor soils are tolerated but not alkaline soils. They are extremely hardy, tolerating −40 °C or lower, but grow poorly where the summers are hot.
The plant is only semi-woody, but keeps its leaves all winter even in the coldest years, unusual for a broadleaf plant, though they are usually protected from severe cold by snow cover. It spreads by underground rhizomes. The bell-shaped white flowers are produced in the early summer. The fruit, actually a false berry, is red and acidic, ripening in late summer to autumn.
The species resemble the related and similar cranberries (Vaccinium oxycoccus, V. microcarpum and V. macrocarpon), differing mainly in having white (not pink) flowers, with the petals partially enclosing the stamens and stigma (the petals are reflexed backwards in cranberries), and rounder, less pear-shaped berries. Other related plants in the genus Vaccinium include blueberries, bilberries and huckleberries.
The word Lingonberry originates from the Swedish word Lingon. The Cowberry has also been called Lowbush Cranberry, European Cranberry, and Wild Cranberry. These alternate names perpetuate the longstanding confusion between the cranberry and the Cowberry and for this reason some botanists have suggested that they should be avoided.
Uses
Wild-collected cowberries are a popular fruit in northern Europe, notably in Finland, Norway, Denmark, Sweden, and the Karelia region of Russia, where they are available for gathering on public lands. Because the berries are quite tart, they are almost always cooked and sweetened before eating in the form of lingonberry jam, compote, juice, or syrup. Cowberry compote sometimes accompanies game meats. In Norway, reindeer steak is traditionally served with gravy and lingonberry sauce. Cowberry preserve is commonly eaten with meatballs and potatos in Sweden. In Sweden and Norway, reindeer steak is traditionally served with gravy and cowberry sauce.
Cowberries are a staple item at Swedish retailer IKEA. It is often sold as jam and juice in the marketplace and as a key ingredient in many of the dishes sold in the cafe.
Cowberries contain organic acids, vitamin C, provitamin A (as beta carotene), B vitamins (B1, B2, B3), and the elements potassium, calcium, magnesium, and phosphorus. Besides those healthful nutrients, cowberries also contain phytochemicals that are thought to counteract urinary-tract infections. Cowberries are used in herbal medicine.
See also
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