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[From its toxic effect on some animals.]


(Plants) a US dialect name for locoweed


(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.crazyweed - any of several leguminous plants of western North America causing locoism in livestockcrazyweed - 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
References in periodicals archive ?
Monkeys will pay to look at images of other sexually attractive primates, elephants have more than 30 different ways to talk to each other, while cows get high on a drug called crazyweed, dracula ants suck the blood of their young, and seagulls affected by pollution regularly fall over.
The smallest difference (about 34-34.7[degrees]F [1-1.5[degrees]C]) is found in plants with a white corolla, such as draba (Draba), Arctic heather (Cassiope tetragona); the largest difference (39.6[degrees]F [4.2[degrees]C]) is found in crazyweed (Oxytropis nigrescens, Leguminosae), whose flowers have an attractive violet-colored standard.
I might have recognized Indian paintbrush, but crazyweed, pussytoe, squawbush, Rocky Mountain juniper, and limber pine were strangers.