Ground-ivy
General poisoning notes:
Ground-ivy (Glechoma hederacea) is a
creeping ground cover that can grow abundantly in uncultivated damp or shaded
ground around houses and garden areas. This plant contains an irritant oil that
is toxic to horses if they ingest large quantities of the fresh or dried plant.
In one case in Canada the death of horses was reported (Fyles 1920, Fuller and
McClintock 1986).
Nomenclature:
Scientific Name: Glechoma hederacea L.
Vernacular name(s): ground-ivy
Scientific family name: Labiatae
Vernacular family name: mint
Geographic Information
Alberta, British Columbia, Manitoba, New Brunswick,
Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan
Toxic
parts:
Leaves.
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.
Horses
General
symptoms of poisoning:
Cyanosis, dyspnea, lungs,
congestion of, pupil dilation, salivation, sweating.
Notes
on poisoning:
In Prince Edward Island two horses ingested large
quantities of ground-ivy in November when the ivy provided an abundance of
green foliage. The horses panted continually and died within a a week. One
horse would lie down and the other horse would not. In Europe, horses have been
reported to ingest large amounts of fresh or dried ground-ivy, with subsequent
poisoning. Apparently, cattle and sheep were not poisoned after they ingested
the plant (Fyles 1920).
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