Coontie Palm Toxic?

Updated 2026-03-06| 4 min read| 823 found this helpful
Coontie Palm
1

Zamia pumila is highly toxic to cats, dogs, and horses, with ingestion of just 1-2 seeds being potentially fatal for all three species

2

Key toxic compounds in the plant include cycasin, B-methylamino-l-alanine, and an unidentified neurotoxin that impacts cattle

3

Ingestion leads to progressive liver damage, bleeding abnormalities, and death if veterinary intervention is not received promptly

FAQ

Is Coontie Palm toxic to Humans?

No specific human clinical toxicity data is documented in the provided dataset; ingestion is expected to cause gastrointestinal distress and potential liver damage (Low)

Is Coontie Palm toxic to Cats?

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)

Is Coontie Palm toxic to Dogs?

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)

Is Coontie Palm toxic to Horses?

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)

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Toxicity Details

Humans
Low

No specific human clinical toxicity data is documented in the provided dataset; ingestion is expected to cause gastrointestinal distress and potential liver damage

Cats
Severe

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death

Dogs
Severe

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death

Horses
Severe

Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death

Toxicity Snapshot

Toxic PartsAll plant parts are toxic, with seeds containing the highest concentration of toxic compounds
Exposure RoutePrimary exposure is via ingestion of plant material, especially seeds; dermal contact is not known to cause toxic effects
Toxic CompoundsCycasin; B-methylamino-l-alanine; Unidentified neurotoxin (cattle-specific)

First Aid & Prevention

First 30 Minutes

  • • Immediately remove any remaining plant material from the affected animal's mouth and restrict access to the plant
  • • Induce vomiting only if explicitly directed by a veterinarian or poison control professional, and ingestion occurred within the last 10 minutes
  • • Collect a sample of the ingested plant to share with veterinary staff for accurate identification

Contact Vet Immediately

  • • Any confirmed or suspected ingestion of Coontie Palm plant material, even if no symptoms are present
  • • If the animal develops vomiting, diarrhea, jaundice, increased thirst, or unexplained bruising post-exposure
  • • If ingestion of seeds is observed, as even 1-2 seeds can cause fatal toxicity

Prevention

  • • Keep all cycad plants including Coontie Palm out of reach of pets, livestock, and young children
  • • Regularly clean up fallen seeds from Coontie Palm plants to eliminate accidental ingestion risks
  • • Label cycad plants in residential and public spaces to alert others of their high toxicity

Treatment & Prognosis

  • • Decontamination via induced vomiting and activated charcoal administration if performed within 2 hours of ingestion
  • • Supportive care including IV fluids, liver protectant medications, and blood transfusions to address bleeding and liver failure
  • • Long-term monitoring of liver function for 1-2 weeks post-exposure for animals that survive the acute toxic phase
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Professional Toxicology

Scientific NameZamia pumila
AliasesSago Palm、Cardboard Palm、Cycads、Zamias
Toxicity Grade
HumansLow
CatsSevere
DogsSevere
HorsesSevere
Target Organs
LiverGastrointestinal tractBlood coagulation systemNervous system
Mechanism of Action

• Cycasin is metabolized to a hepatotoxic compound that causes acute liver cell death and liver failure

• B-methylamino-l-alanine acts as a neurotoxin that damages nerve cells and contributes to neurological symptoms

• Unidentified cattle-specific neurotoxin causes additional neurological harm in exposed cattle populations

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle: Exposure causes additional neurological damage from an unidentified species-specific neurotoxin, plus liver toxicity and potential fatality
Small mammals (rabbits, guinea pigs, hamsters): Ingestion is expected to cause liver failure, gastrointestinal damage, and death consistent with toxicity observed in cats and dogs
Confusion Risk

The following plants look similar and may be confused:

King Sago Palm Cycas revoluta
Both are cycads with palm-like feathery fronds, often sold interchangeably as 'sago palms'; key difference: Coontie Palm has shorter, stiffer fronds, while King Sago has longer, arching fronds
Cardboard Palm Zamia furfuracea
Closely related Zamia species with similar thick leathery foliage, frequently mislabeled as Coontie Palm; key difference: Cardboard Palm has broader, fuzzy-textured leaflets, while Coontie has narrow, smooth leaflets
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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.

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