Poisonous Plants - GHS-Brown-Bio-Hort

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Transcript Poisonous Plants - GHS-Brown-Bio-Hort

Poisonous Plants
9/9/2009
Objective: to be able to identify
common poisonous plants
Warm up:
What does it mean if something is
Toxic?
Poisonous Plants
• Many plants are safe to eat and touch but… Some
plants can cause severe reactions in human and
animal if eaten or touched.
• Plants that are toxic or poisonous have parts that
can cause sickness or skin rashes sometimes can
cause death to humans or animals
Example:
700 cattle
that were
killed
overnight by
poisonous
weeds
Poke weed
Toxic part: Leaves, Stems, Berries, Roots
Symptoms: vomiting (sometimes bloody),
tremors, watery diarrhea, dizziness, and
possibly seizures, coma and death.
Holly
• Toxic Part: Berries
• Symptoms: vomiting, nausea, and diarrhea
Mother of Millions
• Toxic Part: All parts of this plant
• Symptoms: Cardiac Poisoning
Deadly to livestock
Tomato
•Toxic Part: Foliage (leaves) and vines (stems)
•Symptoms: digestive (stomach) upset
and nervous excitement (jitters)
Potato
• Toxic part: Foliage (Leaves)
and green-tinged tubers
• Symptoms: intense digestive
disturbances,
nervous symptoms
Poison Oak
Toxic Part: Leaves and stems
Symptoms: Skin rash and
Blistering
Poison Sumac
Toxic Part:
Leaves and
stems
Symptoms:
Rash and
Blistering
Poison Ivy
Toxic Part: Stems and Leaves
Symptoms: Rash and Blistering
Can you Identify the Poisonous
plants?
1.
2.
3.
Severe Poison Ivy