Other Definitions
cow parsnip (dict)
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Cow Parsnip | Cow Parsnip |
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Flower and leaf of Cow Parsnip | |
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| Heracleum maximum Bartr. | The Cow Parsnip, Heracleum maximum, is the only member of the Hogweed genus native to North America. Its classification has caused some difficulty, with recent authoritative sources referring to it variously as Heracleum maximum, as H. linatum, or as either a subspecies, H. sphondylium ssp. montanum, or a variety, H. sphondylium var. linatum, of the Common Hogweed (H. sphondylium). The classification given here follows ITIS. The Cow Parsnip is found from coast to coast in North America; in the continental United States, it is absent only from the south eastern states, from Texas eastward. In the west it can be found as far north as Alaska. It can be found at altitudes of up to 2500 metres. Overall, it is an abundant plant and not a conservation concern, but in some localities it is becoming rarer: it is listed as endangered in Kentucky, whereas in the west it is sometimes regarded as an invasive weed. The Cow Parsnip is a tall herb, reaching to heights of over 2 metres. It has the characteristic flower umbrels of the carrot family (Apiaceae), about 20cm across; these may be flat-topped, as in the picture at right, or more rounded, and are always white. The leaves are large, up to 40 cm across, divided into lobes. The stems are stout and succulent. Various Native American peoples had many different uses for this plant; all parts of it were used by one nation or another. Perhaps the commonest use was to make poultices to be applied to bruises or sores. In addition, the stems were widely used for food, and in some places the leaves were also treated as an edible vegetable. The dried stems were also used as drinking straws for the old or infirm, and to make flutes for children. A yellow dye can be made from the roots, and an infusion of the flowers can be rubbed on the body to repel flies and mosquitoes. External link *Plants for a Future report on the species
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