Leatherwood-Dirca palustris L.-Poisonous plant

Leatherwood

General poisoning notes:

Leatherwood (Dirca palustris) is a native shrub found in parts of eastern Canada in woodlands. This shrub contains unknown poisonous chemicals that are most potent in the bark. Chewing the bark can cause severe burning in the mouth and can produce a nauseating taste; dermatitis can occur, especially during flowering and fruiting time (Fyles 1920, Lampe and McCann 1985).

Nomenclature:

Scientific Name: Dirca palustris L.
Vernacular name(s): leatherwood
Scientific family name: Thymelaeaceae
Vernacular family name: mezereum

Geographic Information

New Brunswick, Ontario, Quebec

Toxic parts:

Bark.

Toxic plant chemicals:

Unknown chemical

Animals/Human Poisoning:

Note: When an animal is listed without additional information, the literature (as of 1993) contained no detailed explanation.

Humans

General symptoms of poisoning:

Blistering, mouth, irritation of

Cattle

Horses

Humans

Sheep

General symptoms of poisoning:

Blistering, death.

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