Search results
Results from the WOW.Com Content Network
Bishop's weed is a common name for several plants, all but one of which belong to the plant family Apiaceae. Aegopodium podagraria, which is an invasive perennial weed of temperate regions, known also in English as ground elder. Ammi majus, commonly known as bullwort, laceflower etc. Used to treat vitiligo.
The Federal Noxious Weed Act of 1974 ("FNWA", Pub. L. 93–629, 88 Stat. 2148, enacted January 3, 1975) established a federal program to control the spread of noxious weeds. The United States Secretary of Agriculture was given the authority to declare plants "noxious weeds", and limit the interstate spread of such plants without a permit.
Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the flowering plant family Fabaceae: Oxytropis and Astragalus in North America, [1] and Swainsona in Australia.
Mechanical methods of weed control involve physically cutting, uprooting, or otherwise destroying weeds. On small farms, hand weeding is the dominant means of weed control, but as larger farms dominate agriculture, this method becomes less feasible. [6] On many operations, however, some hand-weeding may be an unavoidable component of weed ...
The federal government through the Canadian Food Inspection Agency (CFIA) regulates invasive plants under the authority of the Plant Protection Act, the Seeds Act and statutory regulations. Certain plant species have been designated by the CFIA as noxious weeds in the Weed Seeds Order. [16] Each province also produces its own list of prohibited ...
The plant generally gets more toxic with maturity, with the exception of the berries (which have significant toxicity even while green). [171] Pieris japonica: Japanese pieris Ericaceae: The plant is poisonous if consumed by people or animals. [172] Plumeria spp. frangipani Apocynaceae: Contact with the milky latex may irritate eyes and skin ...
As a pulp, it has been used to relieve venomous bites and stings. [31] To make a poultice, the entire plant is used, and applied directly to the affected area. [32] Making a tea with the dried leaves is most common. [33] It can be brewed hot or cold. For a cold infusion, steep in water and refrigerate for 24–48 hours.
Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed, mentrasto) is native to Tropical America, especially Brazil, and is an invasive weed in many other regions. It is an herb that is 0.5–1 m. high, with ovate leaves 2–6 cm long, and flowers are white to mauve.