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South Texas Poison Center

Toxic Plants of Texas

 

House & Garden Plants

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H - L

Hemlock, poison
Conium maculatum
All parts are toxic
Addl photo (1)
Addl photo (2)
Poison Hemlock
Hemlock, Water
Cicuta maculata
All parts are toxic
Water hemlock
Solanum carolinense
All parts are toxic
Horse Nettle
Indian Hemp
Apocynum sp.
Leaves
Indian Hemp
Indian Tobacco
Lobelia inflata
All parts are toxic
Indian Tobacco
Jack-in-the-Pulpit
Arisaemma triphyllum
All parts are toxic
Jack-In-the-Pulpit

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Jamestown Weed
Datura stramonium
All parts are toxic
See also Jimson Weed and Locoweed below.
Jamestown weed
Jasmine; Jessamine Yellow (wild)
Gelsemium sempervirens
All parts are toxic
Jasmine; Jessamine Yellow (wild)
Jimson Weed
See also Jamestown Weed
(above) & Locoweed (below)
Datura stramonium
All parts are toxic
Jimson Weed
Locoweed
See also Jamestown Weed and
Jimson Weed (above)
Datura stramonium
All parts are toxic
Locoweed
Locust, Black
robinia pseudoacacia
All parts are toxic
Photo of black locust pods
Black Locust

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