Common poisonous plants of New EnglandYoungken, Heber W., Jr. (Heber Wilkinson)
Science
Common poisonous plants of New England
Youngken, Heber W., Jr. (Heber Wilkinson)
Poisonous plants -- New England
_Helleborus niger--RANUNCULACEAE_]
=Description=: In warmer climates, the large blossoms of this plant
appear in midwinter, hence, the common name Christmas rose. However,
these develop much earlier in fall or later in spring in New England
and other northern areas.
The plant is a perennial evergreen herb with a black underground stem
and roots. Each year a single palmately divided leaf and flower stalk
form, the latter with one or two large purplish-white flowers, each
with five petals and a yellow center whorl of flower parts. Found in
gardens usually as a cultivated plant.
=Poisonous Parts=: An intensely irritating glycoside principle,
=helleborein=, has been found in the leaves and roots. This probably
accounts for much of the skin inflammation caused on contact with
bruised parts or the juice of this plant. Other poisonous glycosides
and alkaloids which affect the heart (similar to the effects of
digitalis) and nervous system (as from aconite) are also present. If
ingested, the plant may cause vomiting, tingling and numbing sensations
in the mouth, and violent purgation.
=Antidote=: Call your doctor. Wash the skin at once with soap and water
if the juice of the plant is in contact with it. Have patient vomit if
any part has been eaten. Physicians treat for dermatitis and vesication
if a contact poisoning. When there is evidence of much ingestion treat
for =digitalis= or =aconitine= poisoning, depending upon symptoms.
DAPHNE
[Illustration: Daphne, spurge olive
_Daphne mezereum--THYMELAEACEAE_]
=Description=: A low, woody plant found in many gardens. The daphne
bears small rose-purple blossoms in clusters along its branches in
early spring before the leaves develop. During the summer, several
bright red berries appear, each with a single seed. Some horticultural
varieties produce white to yellow flowers and yellow to orange berries.
=Poisonous Parts=: The bark, (this separates easily from the stems)
leaves, and berries are poisonous. Children are especially attracted
to the berries and fatalities among some who have eaten them have been
reported.
Poisoning is characterized by a burning sensation in the mouth and
irritation of the stomach and intestines which causes severe cramps.
Toxic principles include a bitter glycoside, =daphnin=, and an acid
resinous mixture. If not removed reasonably soon, these can produce
kidney inflammation since these principles can be absorbed.
=Antidote=: Call your doctor. Have patient vomit. Physicians
perform gastric lavage and treat for a probable irritation of the
gastro-intestinal tract if parts of the plant have been in the stomach
for more than an hour.
DEADLY NIGHTSHADE
[Illustration: Deadly nightshade, black cherry
_Atropa belladonna--SOLANACEAE_]
=Description=: A perennial bushy herb, 3 to 4 feet in height, branching
stems with dark green pointed leaves, lavender-to-purple, bell-shaped
flowers, and black cherry-like fruits. (Not related to cherry trees.)
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