Hemp Dogbane (Common name)

General poisoning notes:

1909). Hemp dogbane (Apocynum cannabinum) is a native plant found across Canada. Fuller and McClintock (1986) report that two horses died after ingesting alfalfa hay that contained large quantities of hemp dogbane. The tops of the plants (up to 1 m tall) were found in the hay.

References:

  • Fuller, T. C., McClintock, E. 1986. Poisonous plants of California. Univ. California Press, Berkeley, Calif., USA. 432 pp.

Nomenclature:

Scientific Name:
Apocynum cannabinum L.
Vernacular name(s):
hemp dogbane
Scientific family name:
Apocynaceae
Vernacular family name:
dogbane

Go to ITIS*ca for more taxonomic information on: Apocynum cannabinum

References:

  • Agriculture Quebec. 1975. Noms des maladies des plantes du Canada/ Names of plant diseases in Canada. Quebec City, Que., Canada. 288 pp.
  • Alex, J. F., Cayouette, R., Mulligan, G. A. 1980. Common and botanical names of weeds in Canada/Noms populaire et scientifiques des plantes nuisibles du Canada. Revised. Agric. Can. Publ., Ottawa, Ont., Canada. 132 pp.
  • Bailey, L. H., Bailey, E. Z. 1976. Hortus third. Revised. MacMillan, New York, N.Y., USA. 1290 pp.
  • Scoggan, H. J. 1978, 1979. The flora of Canada. Nat. Mus. Nat. Sci. (Ottawa) Publ. Bot. 7(1)-7(4). 1711 pp.
  • Van Wijk, H. L. 1911. A dictionary of plant names. Martinus Nijhoff, The Hague, The Netherlands. 1444 pp.
  • Victorin, M. 1964. Flore Laurentienne. 2nd ed. Univ. Montreal, Montreal, Que., Canada. 952 pp.

Geographic Information

  • Alberta
  • British Columbia
  • Manitoba
  • New Brunswick
  • Newfoundland
  • Northwest Territories
  • Nova Scotia
  • Ontario
  • Quebec
  • Saskatchewan

References:

  • Bailey, L. H., Bailey, E. Z. 1976. Hortus third. Revised. MacMillan, New York, N.Y., USA. 1290 pp.
  • Boivin, B. 1966, 1967. Énumération des plantes du Canada. Provencheria 6. Nat. Can. (Que.) 93: 253-274; 371-437; 583-646; 989-1063. 94: 131-157; 471-528; 625-655.

Image or illustration

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Toxic parts:

  • all parts

References:

  • Fuller, T. C., McClintock, E. 1986. Poisonous plants of California. Univ. California Press, Berkeley, Calif., USA. 432 pp.

Notes on Toxic plant chemicals:

Hemp dogbane contains the chemical cymarin (a cardiac glycoside). Joubert (1989) lists this chemical under "Apocynum camrabinum," which is a typographical error and should read "Apocynum cannabinum."

Toxic plant chemicals:

  • apocynamarin
  • cymarin

References:

  • Fuller, T. C., McClintock, E. 1986. Poisonous plants of California. Univ. California Press, Berkeley, Calif., USA. 432 pp.
  • Joubert, J. P. 1989. Cardiac glycosides. Pages 61-97 in Cheeke, P. R., ed. Toxicants of plant origin. Vol. II. Glycosides. CRC Press, Inc., Boca Raton, Fla., USA. 277 pp.

Animals/Human Poisoning:

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

Horses

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