- This aggressive weed can be found throughout Missouri growing in the habitats mentioned above. Any traveler driving along a major highway or roadway can see large stands of this plant along the roadside. It was first collected wild in the state in 1938 by Steyermark. The plant was introduced as erosion control, food for cattle and wildlife, and shelter for small animals. This species is very drought resistant and thrives on neglect. Unfortunately, there is no effective control for the plant at this time.
is easy to ID in the field because of its sericeous stems and small white flowers, which have two purple splotches at the base of the standard.
Photographs taken in Brown Summit, NC., 9-18-02.
Following modified from Taiwan Biodiversity National Information Network
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.