Toxic Outdoor Plants

Home , Aconitine, Aconitum napellus, Coniine

LATIN ENGLISH SAMPLE TOXIN (Plant family) Achillea millefolium Yarrow Extended use of this plant, (Compositae) either medicinally or in the diet, can cause allergic skin rashes or lead to photosensitivity in some people

http://www.ibiblio.org/pfaf/cgi- bin/arr_html?Achillea+millefolium

Aconitum napellus monkshood Aconitine (Ranunculaceae) (neurotoxic alkaloid),

mesaconitine,

And…..

jesaconitine

Actaea alba White All parts of the plant are (Ranunculaceae) baneberry toxic, causing severe gastrointestinal inflammation and skin blisters

Actaea rubra Red All parts of the plant are (Ranunculaceae) baneberry toxic[172], apparently acting on the heart[212].

showy Bitter alkaloid-rich latex Asclepias speciosa milkweed contained in the stems and (Asclepidaceae) leaves is toxic

Picture by Gerry Rome

Wild Mammals ingesting wild Brassica kaber mustard mustard’s isoallyl (Brassicaceae) thiocyanates S

N isoallyl thiocyanate and and irritant oils experience head shaking, salivating, colic, abdominal pain, vomiting (in those species capable of vomiting), and possibly diarrhea.

http://www.vet.purdue.edu/depts/a ddl/toxic/plant34.htm

Caltha palustris Marsh The whole plant, but (Ranunculaceae) marigold especially the older portions, contains the toxic glycoside protoanemonin – this is destroyed by heat.

http://en.wikipedia.org/wiki/Marsh_mar http://www.ibiblio.org/pfaf/cgi- igold bin/arr_html?Caltha+palustris

Celastrus scandens Climbing The fruit is poisonous. All (Celastraceae) bittersweet parts of the plant are potentially toxic.

http://www.ibiblio.org/pfaf/cgi- bin/arr_html?Celastrus+scandens&CA N=COMIND Chelidonium majus Celandine isoquinoline alkaloids (Papaveraceae) or rock- poppy N

isoquinoline

http://www.ansci.cornell.edu/plant s/alphalist.html

Cicuta maculata Water hemlock Coniine, N-methylconiine, Carrot family (Apiaceae) conhydrine, pseudoconhydrine and g-coniceïne

Conium maculatum Poison The poison hemlock contains Carrot family (Apiaceae) Hemlock coniine,

an alkaloid, and other compounds (N- methylconiine, conhydrine, pseudoconhydrine and g- coniceïne) that are capable of poisoning livestock, poultry and humans. The stems, leaves and mature fruits are toxic. The leaves are more dangerous in the springtime, and the fruit is the most dangerous in the fall.

http://www.caf.wvu.edu/~forage/library/p oisonous/page17.htm