poison hemlock


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poison hemlock,

lethally poisonous herbaceous plant (Conium maculatum) of the family Umbelliferae (parsleyparsley,
Mediterranean aromatic herb (Petroselinum crispum or Apium petroselinum) of the carrot family, cultivated since the days of the Romans for its foliage, used in cookery as a seasoning and garnish.
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 family). It has rank, finely divided foliage, flat-topped clusters of small white flowers, and a hollow, purple-mottled stem. Although native to the Old World, it is now naturalized and common in parts of the United States. The poisonous principle (the alkaloid coniine) causes paralysis, convulsions, and eventual death. Poison hemlock was used in ancient Greece in executions; a famous example was the philosopher Socrates. The related water hemlock (any species of Cicuta) is similar in appearance and as poisonous. C. maculata, called also musquash-root, spotted cowbane, and beaver poison, is the common species of E North America. The evergreen trees called hemlockhemlock,
any tree of the genus Tsuga, coniferous evergreens of the family Pinaceae (pine family) native to North America and Asia. The common hemlock of E North America is the eastern hemlock, T.
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 are unrelated. Poison hemlock is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Apiales, family Umbelliferae.
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poison hemlock
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poison hemlock

poison hemlock

Poison Hemlock and Water Hemlock- one of the most poisonous plants, grows in moist areas near water, streams, ditches, swamps. White flower clusters in umbrella shape. Stems are smooth (no hair) and have purple splotches, sometimes covered with a white powder that rubs off easily. The leaves are sometimes mistaken for parsley. Smells bad and can grow up to 10 feet high.

poison hemlock

[′pȯiz·ən ′hem‚läk]
(botany)
Conium maculatum. A branching biennial poisonous herb that contains a volatile alkaloid, coniine, in its fruits and leaves.
References in periodicals archive ?
Poison hemlock is assigned to the genus Conium, a Latinised version of the Greek word for poison hemlock ([TEXT NOT REPRODUCIBLE IN ASCII]).
38) Water hemlock is also potentially lethal, but its toxins differ from those of poison hemlock and, not surprisingly, the symptoms of poisoning are different also.
The deadly nightshade provides us with 178,000 seeds, and poison hemlock produces 38,000 seeds from one plant growing in moist ground.
Poison hemlock is a hollow-stemmed biennial, four feet high, with double compound leaves resembling parsley, and a large, white taproot like parsnip.
Aconite, Allspice, Black Snakeroot, Bloodroot, Blue Cohosh, Boxwood, Celandine, Common Poppy, Crotalaria, Crow Poison, Death Camas, Dicentra, False Hellebore, False Jessamine, Fume wort, Hellebore, Hemp, Horse Nettle, Indian Hemp, Indian poke, Jimson weed, Larkspur, Lobelia, Lupines, Marijuana, Monkshood, Moonseed, Night shade, Pink Death, Camas Poison, Darnel, Poison Hemlock, Poison rye grass, Rattleweed, Rock Poppy, Spider Lily, Spotted cowbane, Spotted Water Hemlock, Stagger grass, Staggerweed, Sweet Shrub, Thorn Apple, Varebells, Wild Parsnip, Wolfs-bane, Yellow Jessamine.
Caution: Several identifying keys separate wild carrot from the toxic poison hemlock or fool's parsley.