- This big and weedy species is the commonly eaten "Parsnip." The plant grows to over 1.5m tall and is very robust. The white root of the plant can grow to over 80cm on rare occasions but is typically much much smaller. In Missouri,
can be found in most parts of the states except for much of the Ozark region.
Cultivated plants are of the variety
, which has the large root. Another variety, var.
, has thin roots.
Some people may have an allergic reaction when handling this species. This is due to the xanthotoxin the plant contains. This reaction is a photodermatitis. Native Americans used a tea made from the roots to treat female disorders and sharp pains.
Photographs taken off Hwy 47, Franklin County, MO., 5-15-04.
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all
Federal and State Noxious Weeds
This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of
Weeds of the U.S.
Using these photos:
A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the
link under the thumbnail. See also:
Using the Photos in CalPhotos