PlantFunDoubtful knight's spur Toxic?
All plant parts are toxic, with seeds containing the highest concentration of harmful alkaloids
Alkaloid content decreases as the plant matures, but poisoning risk remains present
Cattle and horses are far more sensitive to poisoning than sheep, with fatalities reported from exposure
FAQ
Is Doubtful knight's spur toxic to Humans?
No specific human symptom data is documented in this dataset; exposure may cause similar neuromuscular and gastrointestinal effects observed in livestock (Moderate)
Is Doubtful knight's spur toxic to Cats?
No specific cat toxicity data is documented in this dataset; ingestion is not recommended and may cause adverse effects (Moderate)
Is Doubtful knight's spur toxic to Dogs?
No specific dog toxicity data is documented in this dataset; ingestion is not recommended and may cause adverse effects (Moderate)
Is Doubtful knight's spur toxic to Horses?
Restlessness, overexcitability, stiff gait, progressive muscle weakness, recumbency, salivation, vomiting, colic, bloat, muscle twitching, possible death from respiratory paralysis (Severe)
Toxicity Details
No specific human symptom data is documented in this dataset; exposure may cause similar neuromuscular and gastrointestinal effects observed in livestock
No specific cat toxicity data is documented in this dataset; ingestion is not recommended and may cause adverse effects
No specific dog toxicity data is documented in this dataset; ingestion is not recommended and may cause adverse effects
Restlessness, overexcitability, stiff gait, progressive muscle weakness, recumbency, salivation, vomiting, colic, bloat, muscle twitching, possible death from respiratory paralysis
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Induce vomiting only if ingestion occurred within 2 hours and the affected individual is conscious with no neurological symptoms
- • Administer activated charcoal to absorb residual toxins if advised by a veterinary/medical professional
- • Move the affected individual to a quiet, calm area to avoid triggering overexcitability symptoms
Contact Vet Immediately
- • If any ingestion of the plant is confirmed, even if no symptoms are present
- • If symptoms including muscle twitching, weakness, salivation, or breathing difficulty appear
- • If the exposed individual is a horse, cattle, or other sensitive livestock species
Prevention
- • Do not plant this species in pastures or areas accessible to livestock, horses, or companion animals
- • Remove wild-growing plants from grazing areas before turning livestock out to pasture
- • Wear gloves when handling the plant to avoid sap exposure and accidental ingestion of plant residues
Treatment & Prognosis
- • Decontamination procedures including activated charcoal administration and gastric lavage as appropriate for the species
- • Symptomatic care for colic, bloat, and respiratory distress
- • Administration of neostigmine as an antidote for methyllycaconitin toxicity
- • Strict rest for the affected individual to reduce strain on the neuromuscular system
Professional Toxicology
• Polycyclic diterpenoid alkaloids disrupt neuromuscular signal transmission
• Toxins first cause overexcitability, then progressive muscle paralysis
• Methyllycaconitin targets nicotinic acetylcholine receptors, effects countered by neostigmine
Information from CliniTox veterinary text.
The following plants look similar and may be confused:
Related Toxic Plants
Download PlantFun App
Identify, grow and care for plants effectively!
Instant Plant ID
Take a photo to quickly identify plants.
Smart Care Reminders
Generate watering and care schedules.
Toxicity & Disease Diagnosis
Identify toxic plants and pests with treatment advice.
Data Sources
This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.