Queencup Toxic?

Updated 2026-03-06| 5 min read| 4,102 found this helpful

Clintonia uniflora

ASPCA confirms Clintonia uniflora has no identified toxic principles and is non-toxic to common companion animals

Ingestion of this plant poses no known poisoning risk to domestic cats or dogs

Equine toxicity data is unavailable, so limit access to horses to avoid unforeseen adverse effects

FAQ

Is Queencup toxic to Humans?

No confirmed adverse effects from typical exposure/ingestion; mild transient GI upset may occur only if extremely large volumes are consumed (Non-toxic)

Is Queencup toxic to Cats?

No toxic symptoms expected, per official ASPCA non-toxic classification (Non-toxic)

Is Queencup toxic to Dogs?

No toxic symptoms expected, per official ASPCA non-toxic classification (Non-toxic)

Is Queencup toxic to Horses?

Symptoms unknown, as no formal equine toxicity studies have been completed to date (Unknown)

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Toxicity Details

Humans

Non-toxic

No confirmed adverse effects from typical exposure/ingestion; mild transient GI upset may occur only if extremely large volumes are consumed

Cats

Non-toxic

No toxic symptoms expected, per official ASPCA non-toxic classification

Dogs

Non-toxic

No toxic symptoms expected, per official ASPCA non-toxic classification

Horses

Unknown

Symptoms unknown, as no formal equine toxicity studies have been completed to date

Toxicity Snapshot

Toxic PartsNo toxic plant parts identified; the species is formally classified as non-toxic

Exposure RouteOral ingestion is the only potential exposure route, with no confirmed harmful effects reported

Toxic CompoundsNo harmful toxic principles identified per ASPCA assessment

First Aid & Prevention

First 30 Minutes

• Wipe residual plant material from the mouth of the exposed person or animal
• Offer small amounts of fresh water to flush any remaining plant particles from the throat
• Monitor for unusual discomfort, though adverse reactions are extremely unlikely

Contact Vet Immediately

• Contact a veterinarian or medical provider only if persistent symptoms like vomiting, diarrhea, or lethargy develop after ingestion

Prevention

• Keep wild or potted specimens out of reach of horses, as equine toxicity risks are unconfirmed
• Prevent all animals from consuming large quantities of any wild plant to avoid general GI distress

Treatment & Prognosis

• No targeted treatment is required for standard exposure; provide symptomatic care only if mild unrelated discomfort occurs

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Professional Toxicology

Scientific NameClintonia uniflora

AliasesBride's Bonnet

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesUnknown

Target Organs

No specific organ damage associated with exposure to this species

Mechanism of Action

• No toxic mechanisms identified, as the plant contains no confirmed harmful toxic principles

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Livestock (cattle, sheep, goats): Toxicity data is unconfirmed; no reported poisoning cases have been documented to date

Small companion mammals (rabbits, guinea pigs, hamsters): No confirmed toxic effects reported, but monitor for mild gastrointestinal upset if large amounts are ingested

Confusion Risk

The following plants look similar and may be confused:

Lily of the Valley Convallaria majalis

Both have small white bell-shaped flowers and broad green leaves; key difference is Lily of the Valley has clusters of multiple flowers, while Queencup bears only one single flower per stalk

False Lily of the Valley Maianthemum dilatatum

Both have low-growing habit and glossy green leaves; False Lily of the Valley produces small berry clusters and multiple small white flowers per stem, unlike Queencup's single flower

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Related Toxic Plants

Easter Lily

Lilium longiflorum

Severe toxicity, causes fatal kidney failure even in small doses for cats

Tiger Lily

Lilium lancifolium

High toxicity, triggers kidney damage in cats and severe gastrointestinal distress in other species

Autumn Crocus

Colchicum autumnale

Severe toxicity, causes organ failure, bone marrow suppression, and death in all mammalian species

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Data Sources

1. ASPCA Animal Poison Control

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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