Australian umbrella tree-Brassaia actinophylla Endl.-Poisonous plant

Australian umbrella tree

General poisoning notes:

Australian umbrella tree (Brassaia actinophylla) is an ornamental shrub grown indoors in Canada. This plant caused toxic symptoms in a dog after it ingested the leaves. Experimental work on rats caused death after they ingested 3.2 g of leaf tissue over 7 days. Symptoms in the rats included extramedullary hematopoiesis in the spleen, with black tarry gastrointestinal content caused by blood (Quam et al. 1985).

Nomenclature:

Scientific Name: Brassaia actinophylla Endl.
Vernacular name(s): Australian umbrella tree
Scientific family name: Araliaceae
Vernacular family name: aralia

Geographic Information

Plant or plant parts used in or around the home.

Toxic parts:

Leaves

Notes on Toxic plant chemicals:

Chemical analysis (Quam et al. 1985) revealed that leaves contain oxalates and saponins as well as some cardiac glycosides and alkaloids.

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.

Dogs

General symptoms of poisoning:

Anorexia, ataxia, vomiting
Notes on poisoning:
A poodle that ingested Australian umbrella tree leaves suffered from vomiting, leucopenia, anorexia, and ataxia. The leaves were found to contain 0.9%-1.5% oxalate crystals by weight (Spoerke and Smolinske 1990).

Humans

General symptoms of poisoning:

Erythema

Rodents

General symptoms of poisoning:

Death, hemorrhage.

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