Euphorbia milii (Scientific name)

General poisoning notes:

Crown-of-thorns (Euphorbia milii) is an indoor ornamental plant. The plant contains caustic and irritant chemicals in the latex. This plant should not be ingested nor should the juice be rubbed on the skin or in the eyes. Family pets should not be allowed to ingest this plant.

References:

  • Fuller, T. C., McClintock, E. 1986. Poisonous plants of California. Univ. California Press, Berkeley, Calif., USA. 432 pp.
  • Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. Prentice-Hall Inc., Englewood Cliffs, N.J., USA. 626 pp.

Nomenclature:

Scientific Name:
Euphorbia milii Ch. des Moulins
Vernacular name(s):
crown-of-thorns
Scientific family name:
Euphorbiaceae
Vernacular family name:
spurge

Go to ITIS*ca for more taxonomic information on: Euphorbia milii

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

Plant or plant parts used in or around the home.

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

Images: Euphorbia milii - Google Search

Toxic parts:

  • latex

References:

  • Frohne, D., Pfander, H. J. 1983. A colour atlas of poisonous plants. Wolfe Publishing Ltd., London, England. 291 pp.

Notes on Toxic plant chemicals:

Unknown ingenol derivatives of toxic diterpenes are found in the latex of crown-of-thorns and have irritant properties (Frohne and Pfander 1983).

Toxic plant chemicals:

  • 5-deoxyingenol

References:

  • Frohne, D., Pfander, H. J. 1983. A colour atlas of poisonous plants. Wolfe Publishing Ltd., London, England. 291 pp.

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:

Notes on poisoning:

Crown-of-thorns contains an irritant in the latex that causes skin irritation and problems on mucous membranes and eye tissue. Ingestion can cause irritation of the mouth and stomach, and abdominal pains (Fuller and McClintock 1986).

References:

  • Fuller, T. C., McClintock, E. 1986. Poisonous plants of California. Univ. California Press, Berkeley, Calif., USA. 432 pp.
  • Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. Prentice-Hall Inc., Englewood Cliffs, N.J., USA. 626 pp.

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