Jack-in-the-pulpit
General poisoning notes:
Jack-in-the-pulpit
(Arisaema triphyllum) is a native plant found in wet soils in parts of
eastern Canada. The plant contains calcium oxalate raphide crystals, as do many
other members of the family Araceae. When ingested, these crystals can cause
severe pain and burning in the lips, mouth, and throat (Lampe and McCann 1985).
Nomenclature:
Scientific Name: Arisaema triphyllum (L.) Torr.
Vernacular
name(s): Jack-in-the-pulpit
Scientific family
name: Araceae
Vernacular family
name: arum
Geographic Information
Manitoba, New
Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec.
Toxic parts:
All parts, rhizome
Toxic plant chemicals:
oxalate
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:
Salivation.
Notes on poisoning:
Ingesting
Jack-in-the-pulpit causes a burning sensation, with associated inflammation,
edema, and salivation. Treatment includes cool liquids held in the mouth to
provide relief. The oxalates are insoluble and do not cause systemic poisoning
in plants (Lampe and McCann 1985).
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