(redirected from Loco Weed)
Also found in: Thesaurus, Medical, Encyclopedia.


Any of several leguminous plants of the genera Oxytropis and Astragalus of western North America that are poisonous to livestock. Also called crazyweed, loco1.


(ˈləʊkəʊˌwiːd) or


(Plants) any of several perennial leguminous plants of the genera Oxytropis and Astragalus, found in western parts of North America, containing neurotoxins which cause loco disease in horses, cattle, and sheep


(ˈloʊ koʊˌwid)

any of various leguminous plants of the genera Astragalus and Oxytropis, of the southwestern U.S. and Mexico, causing locoism in sheep, horses, etc.
[1875–80, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.locoweed - any of several leguminous plants of western North America causing locoism in livestocklocoweed - any of several leguminous plants of western North America causing locoism in livestock
legume, leguminous plant - an erect or climbing bean or pea plant of the family Leguminosae
genus Oxytropis, Oxytropis - large widely-distributed genus of evergreen shrubs or subshrubs having odd-pinnate leaves and racemose or spicate flowers each having a pea-like corolla with a clawed petal
Oxytropis lambertii, purple loco, purple locoweed - tufted locoweed of southwestern United States having purple or pink to white flowers
2.locoweed - street names for marijuanalocoweed - street names for marijuana    
cannabis, ganja, marihuana, marijuana - the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
References in periodicals archive ?
Today it has many additional names including stink weed, angel's trumpet, loco weed, devil's trumpet, and thorn apple (Figure 1 and 2).
stramonium plant is known as jimson weed, loco weed, angel's trumpet, devil's trumpet, witch's thimble, devil 's apple, thorn apple, stinkweed, mad apple, devil 's weed, malpitte and green dragon (Beno, Osterhoudt & Meaney 2004; Shervette et al.
The cowboy that saved this calf called him a "crack baby," since the mother cow got hooked on loco weed.