General poisoning notes:

Hop (Humulus lupulus) is cultivated for its use in beer-making. It is also used as an ornamental vine in many areas. Hop pickers can develop dermatitis from working with common hop plants (Raith and Jager 1984, Fuller and McClintock 1986).

References:

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

Raith, L., Jager, K. 1984. Hop allergy. Contact Dermatitis, 11: 53.

Nomenclature:

Scientific Name: Humulus lupulus L.

Vernacular name(s): common hop

Scientific family name: Cannabinaceae

Vernacular family name: hemp

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

British Columbia
Manitoba
New Brunswick
Nova Scotia
Ontario
Prince Edward Island
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.

Notes on Poisonous plant parts:

In addition to allergic responses, the hairs on the leaves may cause mechanical abrasion of the skin (Fuller and McClintock 1986).

Toxic parts:

leaves
mature fruit

References:

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

Toxic plant chemicals:

unknown chemical

References:

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

blistering
conjunctivitis
erythema

References:

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

Raith, L., Jager, K. 1984. Hop allergy. Contact Dermatitis, 11: 53.

Information Source: ©Canadian Poisonous Plants Information System, Canadian Biodiversity Information Facility.