Black-eyed Susan-Rudbeckia serotina Nutt.-Poisonous plant

Black-eyed Susan

General poisoning notes:

Black-eyed Susan (Rudbeckia serotina) is a native herb that grows across southern Canada. This plant occurs in fields and is sometimes found in disturbed habitats. Ingesting plants caused poisoning in cattle and swine. Symptoms were mild. Poisoning from this plant plant is unlikely (Kingsbury 1964, Fleurbec 1983).

Nomenclature:

Scientific Name: Rudbeckia serotina Nutt.

Vernacular name(s): black-eyed Susan

Scientific family name: Compositae

Vernacular family name: composite

Geographic Information

Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan

Notes on Poisonous plant parts:

Ingesting aboveground portions of the plants has caused poisoning in some animals (Kingsbury 1964).

Toxic parts:

Flowers, hairs, leaves, stems

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.

Cattle

General symptoms of poisoning:

Gastroenteritis

Swine

General symptoms of poisoning:

Coma

Notes on poisoning:

Swine that ingested black-eyed Susan suffered from coma and periods of aimless wandering (Kingsbury 1964).