Spotted Water Hemlock | Cornell Weed Identification
Spotted water hemlock is a very toxic plant to humans and livestock. If ingested, symptoms often lead to siezures and death within a few hours of ingestion. It can also be toxic when the toxin in the plant, cicutoxin, is absorbed through the skin.
Water Hemlock - US Forest Service
Cicuta maculata (spotted water hemlock) in the strict sense occurs over most of North America but is replaced by Cicuta douglasii (western water hemlock) in the northwestern United States and western Canada.
Cicuta maculata - Wikipedia
Cicuta maculata is a highly poisonous species of flowering plant in the carrot family known by several common names, including spotted water hemlock, spotted parsley, and spotted cowbane. It is native to nearly all of North America, from northern Canada to southern Mexico.
How to Identify Water Hemlock (with Pictures) - wikiHow
2024年6月27日 · Water hemlock usually grows in wet soil along the edge of bodies of water. It looks similar to some non-poisonous plants in the carrot family. One distinguishing feature is that the veins in the leaves on water hemlock end in the notch of the teeth, not the tip.
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Spotted water hemlock - Florida Wildflower Foundation
2016年7月22日 · Spotted water hemlock ( Cicuta maculata ) is a robust herbaceous perennial with a bad reputation of being one of the most toxic plants known to man. It occurs naturally in freshwater swamps, marshes and floodplains, and along riverbanks and roadside ditches.
Meet the Most Toxic Plant in North America - Atlas Obscura
2017年12月14日 · Spotted water hemlock grows in freshwater marshy or swampy areas throughout the entire continent of North America, save the island of Newfoundland. It can be found in Alaska and Florida, in the...
Cicuta maculata — spotted water-hemlock - Go Botany
Spotted water-hemlock is toxic to humans and livestock. While it is normally found in wetlands and along shorelines, this species sometimes is also found in low areas of fields and livestock can accidentally graze on its foliage.
Cicuta maculata (Beaver Poison, Cowbane, Poison Hemlock, …
These veins distinguish the Water Hemlock from other members of the Carrot family. In its first year, it will be in the form of a low-growing rosette. Maturing in the second year, it will develop a tall stalk, growing to up to 8'. The tiny flowers are small, white, and form in umbrella-like clusters.
Water hemlock (Cicuta douglasii) - USDA ARS
Water hemlock is the most violently toxic plant that grows in North America. Only a small amount of the toxic substance in the plant is needed to produce poisoning in livestock or in humans. The toxin cicutoxin, acting directly on the central nervous system, is a violent convulsant.
Cicuta - Wikipedia
Cicuta, commonly known as water hemlock, is a genus of four species of highly poisonous plants in the family Apiaceae. They are perennial herbaceous plants which grow up to 2.5 meters (8 ft) tall, having distinctive small green or white flowers arranged in an umbrella shape (umbel).