Poisonous Plants Flashcards
Cyanogenic plants, cause bright red blood
Chokecherry, vetch, hydrangea, Johnson grass (Sorghum)
Treatment for cyanogenic toxicity
sodium nitrite/sodium thiosulfate
Nitrate accumulating plants, causes chocolate colored blood
Pigweed (Amaranthus), nightshade (solanum), Sorghum, Alfalfa
Treatment for nitrate accumulating plants
1% methylene blue
Cardiotoxic plants
oleander, foxglove, lily-of-the-valley, yew and azalea
Primary photosensitization
metabolized and becomes photodynamic, thin-nonpigmented areas are affacted, better prognosis
Secondary photosensitization
impaired hepatic function
Primary photo plants
st. john’s wort (hypericum)
secondary photo plants
Brassica, Blue-green algae, groundsel (Senecio), crotalaria, amsinckia intermedia
affects sheep, causes crooked calf syndrome, neurotoxic
lupine
neurotoxic, contains pyridine-alkoloids
poison hemlock
problems in cattle, neurotoxic, bloat and muscle tremors
larkspur
neurotoxic aand nitrite toxicity
nightshade
Causes polioencephalomalacia bcause contains thiaminase
Bracken fern
horses, from sawdust or shavings, causes laminitis
black walnut