Dwarf umbrella tree Toxic?

Updated 2026-03-06| 5 min read| 1,576 found this helpful
Dwarf umbrella tree
1

All parts of the plant are toxic; it has low toxicity for common mammals but is severely toxic to birds.

2

Exposure can cause mucosal irritation, digestive symptoms, and in severe cases, cardiac arrhythmia, kidney damage, and eye lesions from sap contact.

3

Treatment is symptomatic including decontamination, mucosal protection, and calcium substitution if large amounts are ingested.

FAQ

Is Dwarf umbrella tree toxic to Humans?

Mucosal swelling, edema, blisters, salivation after bite contact; swallowing difficulties, vomiting, abdominal pain, diarrhea after ingestion; cardiac arrhythmia, muscle twitching, tetany, convulsions, kidney damage (polyuria then anuria) if large amounts are absorbed; eye lesions (blepharospasm, conjunctivitis, corneal damage) from sap contact. (Low)

Is Dwarf umbrella tree toxic to Cats?

No specific data provided, expected symptoms include oral irritation, salivation, vomiting, diarrhea, consistent with oxalate-containing plant poisoning. (Low)

Is Dwarf umbrella tree toxic to Dogs?

No specific data for this species, related Schefflera actinophylla ingestion in dogs causes oral irritation, vomiting, digestive discomfort; severe cases may lead to organ damage. (Low)

Is Dwarf umbrella tree toxic to Horses?

No specific data provided, expected symptoms include oral irritation, salivation, digestive upset, potential kidney damage if large quantities are consumed. (Low)

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Toxicity Details

Humans
Low

Mucosal swelling, edema, blisters, salivation after bite contact; swallowing difficulties, vomiting, abdominal pain, diarrhea after ingestion; cardiac arrhythmia, muscle twitching, tetany, convulsions, kidney damage (polyuria then anuria) if large amounts are absorbed; eye lesions (blepharospasm, conjunctivitis, corneal damage) from sap contact.

Cats
Low

No specific data provided, expected symptoms include oral irritation, salivation, vomiting, diarrhea, consistent with oxalate-containing plant poisoning.

Dogs
Low

No specific data for this species, related Schefflera actinophylla ingestion in dogs causes oral irritation, vomiting, digestive discomfort; severe cases may lead to organ damage.

Horses
Low

No specific data provided, expected symptoms include oral irritation, salivation, digestive upset, potential kidney damage if large quantities are consumed.

Toxicity Snapshot

Toxic PartsEntire plant
Exposure RouteOral ingestion, direct contact with plant sap (skin/eye contact)
Toxic CompoundsOxalate crystals; Oxalic acid (0.9-1.5% content); Falcarinol (polyin compound)

First Aid & Prevention

First 30 Minutes

  • • For oral exposure: Rinse mouth thoroughly with water, remove any remaining plant material from the mouth.
  • • For eye/sap contact: Flush eyes/affected skin with clean running water for at least 15 minutes.
  • • If small amounts are ingested, give small sips of water or milk to dilute toxins, do not induce vomiting unless instructed by a medical professional.

Contact Vet Immediately

  • • If your pet has ingested a large amount of the plant.
  • • If severe symptoms appear: Persistent vomiting, difficulty breathing, abnormal heart rate, convulsions, difficulty urinating.
  • • If eye exposure causes persistent pain, redness, or vision changes.

Prevention

  • • Keep the plant out of reach of children, pets, and pet birds.
  • • Wear gloves when handling the plant to avoid contact with sap, avoid touching eyes/face during handling.
  • • Educate household members about the toxicity of this plant, especially to birds.

Treatment & Prognosis

  • • Decontamination: Induce vomiting or perform gastric lavage for recent large ingestion, administer activated charcoal to absorb remaining toxins.
  • • Symptomatic care: Provide mucosal protectants, analgesics for pain, glucocorticoids for severe swelling.
  • • For large ingestion: Administer calcium substitution to counteract oxalate effects, monitor kidney function, provide supportive care for cardiac or neurological symptoms.
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Professional Toxicology

Scientific NameSchefflera arboricola (Hayata) Merr.
AliasesKleine Strahlenaralie、Arbre parasol nain、Schefflera、Scefflera
Toxicity Grade
HumansLow
CatsLow
DogsLow
HorsesLow
Target Organs
Mucous membranes (oral, respiratory, gastrointestinal)KidneysHeartNervous systemEyes
Mechanism of Action

• Oxalate crystals cause direct mechanical and chemical irritation to mucosal membranes on contact.

• Absorbed oxalic acid binds to calcium, leading to hypocalcemia, and crystal formation in renal tubules causing acute tubular necrosis.

• Falcarinol contributes to inflammatory and toxic effects on tissues.

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Birds: Severely toxic (+++), ingestion can cause rapid severe symptoms and death
Confusion Risk

The following plants look similar and may be confused:

Other Schefflera species Schefflera spp.
Other Schefflera species (e.g., Schefflera actinophylla) are visually similar and also slightly toxic, often mistaken for Dwarf umbrella tree; they share similar toxic compounds and toxicity profiles.
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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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