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Toxicoscordion venenosum, with the common names death camas and meadow death camas, is a species of flowering plant in the family Melanthiaceae. It is named for its well known toxic qualities, with both its common names and its scientific name referencing this.
It also causes considerable crop losses in other regions, including other tropical and subtropical crops in its native range and in the Americas. The generic name derives from Latin strī̆ga, "witch". [4] Witchweeds are characterized by bright-green stems and leaves and small, brightly colored and attractive flowers. [5]
The deadly symptoms are caused by disruption by the atropine of the parasympathetic nervous system's ability to regulate involuntary activities, such as sweating, breathing, and heart rate. The antidote for belladonna poisoning is an anticholinesterase (such as physostigmine ) or a cholinomimetic (such as pilocarpine ), the same as for atropine.
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Phytolacca americana, also known as American pokeweed, pokeweed, poke sallet, pokeberry, dragonberries, pigeonberry weed, and inkberry, is a poisonous, herbaceous perennial plant in the pokeweed family Phytolaccaceae. This pokeweed grows 1 to 3 metres (4 to 10 ft). [4] It has simple leaves on green to red or purplish stems and a large white ...
Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass [6] or gajar ghas or dhanura. [7] It is a common invasive species [8] in India, [9] Australia, and parts of Africa. [5] Pollen grains of Parthenium hysterophorus
The bloom may be comprised of blue-green algae, or cyanobacteria, which produce microcystin, "a potent toxin that can irritate the skin and cause liver and kidney damage," the National Aeronautics ...
Cotinis nitida, commonly known as the green June beetle, June bug or June beetle, [1] is a beetle of the family Scarabaeidae. It is found in the eastern United States and Canada , where it is most abundant in the South .