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All parts of these plants are toxic, due to the presence of alkaloids. Grazing animals, such as sheep and cattle, may be affected and human fatalities have occurred. [106] Delphinium spp. larkspur Ranunculaceae: Contains the alkaloid delsoline. Young plants and seeds are poisonous, causing nausea, muscle twitches, paralysis, and often death.
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced into an ecosystem by ignorance, mismanagement, or ...
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.
Goatsrue is a noxious weed that has a low distribution in Washington, but is on Washington’s quarantine list due to its fatal symptoms. If any part of the weed is ingested it can be fatal, and ...
Chlorophytum comosum, usually called spider plant or common spider plant due to its spider-like look, also known as spider ivy, airplane plant, [2] ribbon plant (a name it shares with Dracaena sanderiana), [3] and hen and chickens, [4] is a species of evergreen perennial flowering plant of the family Asparagaceae.
Echium plantagineum, commonly known as purple viper's-bugloss [1], Paterson's curse or Salvation Jane, is a species of the genus Echium native to western and southern Europe (from southern England south to Iberia and east to the Crimea), northern Africa, and southwestern Asia (east to Georgia).
The Plant List (which was last updated in 2013) classified H. maximum, H. lanatum, and H. sphondylium subsp. montanum as distinct species. [13] [14] [15] According to both the Integrated Taxonomic Information System (ITIS) or the National Plant Germplasm System (NPGS), H. lanatum and H. maximum are synonyms for H. sphondylium subsp. montanum, [16] [17] a name proposed by Brummitt in 1971.
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