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Plants with toxic alkaloids - University of Washington

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Mom, why are lupines <strong>toxic</strong>?<br />

Due to association <strong>with</strong> N-fixing Rhizobium bacteria Lupines thrive in dry open<br />

fields and prairie/wood area. Horticultural variety <strong>of</strong> lupine has been a favorite<br />

<strong>of</strong> many gardeners. However …<br />

Signs <strong>of</strong> poisoning: labored breathing (snored) in sheep, <strong>with</strong><br />

depression , salivation, head pressing tremors, seizures and coma,<br />

Death may be preceded by no struggling or alternatively, by<br />

violent attacks on other animals. Signs may appear as early as one<br />

hour after ingestion or as late as 24 hours after consumption. Death<br />

may occur <strong>with</strong>in one day or several days (respiratory paralysis).<br />

<strong>of</strong>loxacin<br />

15 quinolizidine + some piperidine <strong>alkaloids</strong> and other types <strong>of</strong> <strong>alkaloids</strong><br />

have also been isolated from species <strong>of</strong> Lupinus. They are present in

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