Greater musk-mallow Toxic?

Updated 2026-03-06| 2 min read| 1,176 found this helpful

No published evidence of toxicity of Malva alcea to humans, cats, dogs, or horses exists to date.

Despite no confirmed toxicity, the plant is not considered suitable for use as feed for any animal species.

It can be easily confused with visually similar related species in the Althea and Malva genera.

FAQ

Is Greater musk-mallow toxic to Humans?

No known toxicity symptoms reported; no adverse effects from ingestion or contact are documented. (Non-toxic)

Is Greater musk-mallow toxic to Cats?

No known toxicity symptoms reported in cats; no adverse effects from ingestion are documented. (Non-toxic)

Is Greater musk-mallow toxic to Dogs?

No known toxicity symptoms reported in dogs; no adverse effects from ingestion are documented. (Non-toxic)

Is Greater musk-mallow toxic to Horses?

No known toxicity symptoms reported in horses; no adverse effects from ingestion are documented, though it is not suitable as feed. (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No known toxicity symptoms reported; no adverse effects from ingestion or contact are documented.

Cats

Non-toxic

No known toxicity symptoms reported in cats; no adverse effects from ingestion are documented.

Dogs

Non-toxic

No known toxicity symptoms reported in dogs; no adverse effects from ingestion are documented.

Horses

Non-toxic

No known toxicity symptoms reported in horses; no adverse effects from ingestion are documented, though it is not suitable as feed.

Toxicity Snapshot

Toxic PartsNo toxic parts identified; no records of toxicity found in published literature, though the entire plant is unsuitable for animal feed.

Exposure RouteIngestion is the only potential exposure route of concern; no adverse effects from skin contact or inhalation are documented.

Toxic CompoundsNo toxic secondary metabolites associated with adverse effects have been identified in Malva alcea to date.

First Aid & Prevention

First 30 Minutes

• If ingested in small quantities, no immediate intervention is required, monitor for unusual discomfort as a precaution.
• If large amounts are ingested, rinse mouth thoroughly with clean water.
• Watch for mild gastrointestinal upset, though no such effects are expected for this species.

Contact Vet Immediately

• If your pet or livestock displays persistent unusual symptoms after ingesting large quantities of the plant.
• If you cannot confirm the ingested plant is Malva alcea and suspect it may be a toxic related species.

Prevention

• Avoid intentionally feeding Malva alcea to pets or livestock, as it has no documented nutritional value as feed.
• Learn to distinguish Malva alcea from potentially toxic related Malvaceae species if you have grazing animals.
• Keep unknown Malvaceae family plants away from young children and pets if you cannot confirm their identity.

Treatment & Prognosis

• No specific treatment is required for exposure to this plant, as no toxic effects are documented.
• Treat any mild gastrointestinal discomfort symptomatically if it occurs.
• Confirm the plant identity to rule out exposure to toxic related Malvaceae species.

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Professional Toxicology

Scientific NameMalva alcea L.

AliasesCut leaved mallow、European mallow、Large-flowered mallow、Hollyhock mallow、Vervain mallow、Rosen-Malve、Mauve alcée

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No organs are known to be negatively affected by exposure to Malva alcea.

Mechanism of Action

• No toxic mechanism identified, as no adverse effects from exposure to this species have been reported.

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Grazing livestock (cattle, sheep, goats): No known toxicity, but intentional feeding is not advised as the plant has no documented nutritional value for these species.

Small companion mammals (rabbits, guinea pigs): No adverse effects reported, but intentional feeding is not recommended due to lack of research on suitability for these species.

Confusion Risk

The following plants look similar and may be confused:

Marsh mallow Althaea officinalis

Both are in the Malvaceae family with similar palmate lobed leaves and pink 5-petaled flowers; Althaea species have softer, fuzzier leaves and shorter flower stalks than Malva alcea.

Common mallow Malva sylvestris

Both are Malva genus plants with similar pink flowers; Malva alcea has more deeply cut, pointed leaves compared to the rounder, shallower lobes of Malva sylvestris.

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Related Toxic Plants

Castor bean

Ricinus communis

Severe toxicity; ingestion of seeds can be fatal to humans and all animal species

Upland cotton

Gossypium hirsutum

Moderate toxicity; leaves and seeds contain gossypol which causes organ damage in livestock and pets

Chinese hibiscus

Hibiscus rosa-sinensis

Low toxicity; ingestion causes mild gastrointestinal upset in cats and dogs

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Data Sources

1. CliniTox (Universität Zürich)

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.