Here is a list of POISONOUS PLANTS throughout the UNITED STATES for those open minded people who do not really believe that all herbs are for human or even animal consumption, and can comprehend the fact that many herbs are poisonous.
I'm not going to go into the description of these plants, you can usually get a good colored picture with descriptions from other books and online.However, many books and often online informationdo not even state if the plant is poisonous or not.So, I'm going to go through as many plants that I can find and think of and just give the common names of the plants, the Latin names, other plants that may be related, where they are most apt to grow and the dangerous part of the plant and symptoms of poisoning.
YOU MAY EMAIL ME FOR A PDF FORMAT AND I WILL GLADLY SEND IT TO YOU.
THIS IS PART 3
HENBANE/BLACK HENBANE(HYOSCYAMUS NIGER L)other related plants: some eight species are recognized in the genus .The family contains may other poisonous genre.
MOST LIKELY TO BE SEEN GROWINGdryish,
disturbed soils such as roadsides and waste places.
Native to Britain and Europe, Canada and the US.
DANGERThis is of the nightshade family.The
alkaloids found in the seeds and juices are deadly
poisonous.A fact that even the ancient Egyptians
knew.
SYMPTOMS:Delirium, visual disturbance, rapid
weak heartbeat, convulsions, coma, death.
CAUTIONS:This is still being used as a medicinal
herb. Considered very dangerous!Be very wary of
anyone who claims to be knowledable of herbs and
uses Henbane or Black Henbane
JAPANESE WISTERIA(Wisteria floribunda DC)
other related plants:W. Sinensis (Chinese wisteria)
with blue/violet flowers is all considered toxic, as well
as the other seven species in the genus.
MOST LIKELY TO BE SEEN GROWINGthroughout North America, Europe and Britain.
DANGER:Children have been poisoned by eating pods and seeds.
SYPMPTOMS those of gastroenteritis, with
abdominal pain, vomiting and diarrhea.In severe
cases serous dehydration occurred.Easting only a
few seeds can produce poisoning.
JIMSONWEEDDATURA SPPA/K/ADOWNY
THORNAPPLE, DEVIL'S TRUMPET, AND ANGEL'S
TRUMPET)
MOST LIKELY TO BE SEEN GROWING:
Jimsonweed is a cosmopolitan weed of worldwide
distribution. It is found in most of the continental US
from New England to Texas, Florida to the far western
states. Jimsonweed is found in most southern
Canadian Provinces as well. It grows in cultivated fields
being a major weed in soybeans worldwide.
Jimsonweed is common on overgrazed pastures,
barnyards, and waste land preferring rich soils.
DANGERS:All parts of Jimsonweed are poisonous.
Leaves and seeds are the usual source of poisoning,
but are rarely eaten do to its strong odor and
unpleasant taste. Poisoning is more common in
humans than in animals. Children can be attracted by
flowers and consume Jimsonweed accidentally. In
small quantities, Jimsonweed can have medicinal or
hallucinogenic properties.Poisoning can occur when
hungry animals are on sparse pasture with
Jimsonweed infestation. Most animal poisoning results
from feed contamination. Jimsonweed can be
harvested with hay or silage, and subsequently
poisoning occurs upon feeding the forage. Seeds can
contaminate grains and is the most common poisoning
which occurs in chickens.
SYMPTOMS:rapid pulse, restlessness, polydipsia ,
depression,rapid breathing , Nervousness,retained
urine,coma, convulsions
LANTANA(Lantana camara L)other related plants:
L.aculeata L., L. Sellowiana Link & Otto and L.
Ovatifolia Britton are described as equally toxic and all
species ofLANTANA should be considered
potentially dangerous.
MOST LIKELY TO BE SEEN GROWINGin southern US, Canada, Europe and Britain
DANGER:berries instrumental in poisoning and deaths
SYMPTOMS:gastrointestinal irritation with abdominal
pain, diarrhea, weakness, failure of the blood
circulation and death in serious cases.
LARKSPUR/Delphinm (Delphinium species)
MOST LIKELY TO BE SEEN GROWING all over the northern hemisphere including North America.
DANGERthe whole plant may contain various
complex alkaloids.The seeds are considered to
be highly toxic.
SYMPTOMSThe alkaloids act on the nervous
system causing general weakness and eventual
respiratory paralysis, constipation, nausea and
abdominal pain. Vomit may enter the lungs, due to
general weakness and cause respiratory difficulties.
LILY OF THE VALLEY(Convallaria majalis L)
MOST LIKELY TO BE SEEN GROWINGin shady
places in gardens throughout the UK, Europe and
North America.
DANGERand SYMPTOMS: the plants throughout
contain cardiac glycosides called convallarin and
convallamarin. Taken in small amounts the symptoms
are abdominal pain and purging with a slowing and
strengthening of the heartbeat. With larger amounts,
greater nervous involvement giving mental disturbance,
convulsions and perhaps death could occur.
LOBELIA(LOBELIA INFLATA), also called Indian
tobacco ,"puke weed,gagroot, asthma weed,
vomitwort, rapuntium inflatum, bladderpod
MOST LIKELY TO BE SEEN GROWING:It is found
in the southeastern part of Canada from Nova Scotia to
Southeast Ontario and British Columbia. It is also
present in the eastern half of the United States
(excluding the state of Florida).
The main parts used of the Lobelia plant are the
flowering parts and the seeds. The seeds are the most
potent because they contain lobeline, a piperidine alkaloid.
Dangers:Lobelia is a potentially toxic herb
Lobelia is considered to be a toxic herb because of its
lobeline affiliation.This herb is toxic at low doses and
in some countries the sale of Lobelia is limited. In the
past Lobeline was used in anti-smoking products as a
deterrent for those with a smoking addiction. However,
the sale of smoking products that contained lobeline
was prohibited by the Food and Drug Administration in
1993 because it was not helpful to those who were
addicted to smoking. Lobelia also contains various
alkaloids other than lobeline which include lobelacrin, a
bitter glycoside, lobelianin, a pungent oil and resin,
acid, fats and gum. It also has 14 pyridine alkaloids
SYMPTOMS:include nausea, vomiting, diarrhea,
cough, dizziness, tremors, and more serious effects,
profuse sweating, convulsions, fast heartbeat, very low
blood pressure, collapse, coma, and possibly death
If you have been diagnosed with heart disease,
tobacco sensitivity, seizure disorder, paralysis,
shortness of breath, high blood pressure, or are
recovering from shock, you should not take this herb. It
is also not recommended for women that are pregnant
or breastfeeding.
People with high blood pressure, heart disease, liver
disease, kidney disease, tobacco sensitivity, paralysis,
seizure disorder, and shortness of breath, and those
recovering from shock should not take lobelia.
Lobelia can irritate the GI tract. Lobelia may make
symptoms worse for people with ulcers, Chron's
disease, inflammatory bowel disease, or intestinal
infections.
CAUTION:BE VERY WARY OF ANY HERBALIST
WHOGROWS AND SELLS THIS HERB.They are
not knowledableenoughto differentiate between safe
and unsafe herbs.
From the bookDANGEROUS PLANTSBYJOHNTAMPION
101 Medicinal Herbsby Steven Foster
The Honest Herbal by Varro E Tyler
Dr. James Duke, formerly chief of the U.S. Department of Agriculture's Medicinal Plant Resources Laboratory The 'PDR for Herbal Medicines' http://www.extension.iastate.edu/publications/pm746.pdf
Natural Standard Professional Monograph, Copyright © 2013 (www.naturalstandard.com). www.livingnaturally.com
The American cancer societywww.cancer.org/treatment
Contributor Information and Disclosures Author Daniel E Brooks, MDCo-Medical Director, Banner Good Samaritan Poison and Drug Information Center, Department of Medical
Toxicology, Banner Good Samaritan Medical Center
101 Medicinal Herbsby Steven Foster
The Honest Herbal by Varro E Tyler
Dr. James Duke, formerly chief of the U.S. Department of Agriculture's Medicinal Plant Resources Laboratory
The 'PDR for Herbal Medicines'
http://www.extension.iastate.edu/publications/pm746.pdf
Natural Standard Professional Monograph, Copyright © 2013 (www.naturalstandard.com).
The American cancer societywww.cancer.org/treatment
Contributor Information and Disclosures Author Daniel E Brooks, MDCo-Medical Director, Banner Good Samaritan Poison and Drug Information Center, Department of Medical Toxicology, Banner Good Samaritan Medical Center