Are black dahlias poisonous?

Online Answer
Human Toxicity Dahlia tubers and leaves contain phototoxic polyacetylene compounds that can cause skin irritation in humans who are handling the plant's leaves and tubers in sunlight. The plant can be toxic if eaten in large amounts, according to the North Carolina State University Extension..
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Solanine poisoning is primarily displayed by gastrointestinal and neurological disorders. Symptoms include nausea, diarrhea, vomiting, stomach cramps, burning of the throat, cardiac dysrhythmia, nightmares, headache, dizziness, itching, eczema, thyroid problems, and inflammation and pain in the joints..
Symptoms
  • Confusion.
  • Muscle weakness.
  • Bone pain, deformities, and fractures.
  • Seizures.
  • Speech problems.
  • Slow growth—in children.
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