poison hemlock
noun
: a large European biennial poisonous herb (Conium maculatum) of the carrot family that is naturalized in the U.S. and has finely divided leaves and small white flowers compare water hemlock
Example Sentences
Recent Examples on the Web The toxic aerosolized poison hemlock particles caused respiratory failure. 
Judi Ketteler, Good Housekeeping, 24 Apr. 2022 Even then-mayor Nancy Spencer advocated educating the public about poison hemlock at a city council meeting. Judi Ketteler, Good Housekeeping, 24 Apr. 2022 Environmental scientists confirmed that poison hemlock and spotted water hemlock were located in Sussex County wetlands, according to a news release from the agency. From Usa Today Network And Wire Reports, USA TODAY, 8 July 2021 Every part of poison hemlock is highly toxic to humans, livestock, and other animals, including your dog or cat. Jennifer Aldrich, Better Homes & Gardens, 10 Aug. 2021 But poison hemlock isn’t the only poisonous plant lurking in Indiana’s natural spaces. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 Toxic invasive poison hemlock is spreading into US parks and backyard gardens. Laura L. Davis, USA TODAY, 3 Aug. 2021 Cow parsnip is only slightly shorter than poison hemlock, reaching its maximum height at about 5-8 feet high. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 What to know about poison hemlock:One of the 'deadliest plants in North America' Follow reporter Asha Gilbert @Coastalasha. Asha C. Gilbert, USA TODAY, 13 July 2021 See More
Judi Ketteler, Good Housekeeping, 24 Apr. 2022 Even then-mayor Nancy Spencer advocated educating the public about poison hemlock at a city council meeting. Judi Ketteler, Good Housekeeping, 24 Apr. 2022 Environmental scientists confirmed that poison hemlock and spotted water hemlock were located in Sussex County wetlands, according to a news release from the agency. From Usa Today Network And Wire Reports, USA TODAY, 8 July 2021 Every part of poison hemlock is highly toxic to humans, livestock, and other animals, including your dog or cat. Jennifer Aldrich, Better Homes & Gardens, 10 Aug. 2021 But poison hemlock isn’t the only poisonous plant lurking in Indiana’s natural spaces. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 Toxic invasive poison hemlock is spreading into US parks and backyard gardens. Laura L. Davis, USA TODAY, 3 Aug. 2021 Cow parsnip is only slightly shorter than poison hemlock, reaching its maximum height at about 5-8 feet high. Sarah Bowman, The Indianapolis Star, 3 Aug. 2021 What to know about poison hemlock:One of the 'deadliest plants in North America' Follow reporter Asha Gilbert @Coastalasha. Asha C. Gilbert, USA TODAY, 13 July 2021 See More Word History
First Known Use
1757, in the meaning defined above
Medical Definition
poison hemlock
noun
1
: a large European poisonous herb of the genus Conium (C. maculatum) that is naturalized in the U.S. and has finely divided leaves and white flowers
2
: water hemlock