Poisonous and Allergy Plants

Plantus perplexus

Dendrocnide moroides

I. Introduction

poisonous plants

allergy plants

II. Poisonous Plants

A. Historical Background

-'toxikon' - poison arrow

-Socrates the scene

-De Medici Family, etc.

B. Examples of Poisonous Plants

1. Strychnos nux-vomica  fruit (Loganaceae)

-strychnine

-pesticide

2. Strychnos toxifera & Chondrodendron tomentosum

-curare 

How does it work?

3. Conium maculatum (Apiaceae)

-coniine

4. Asclepias sp. (Asclepiadaceae Milkweeds)

-fruit

-latex

-galitoxin and cardioactive glycosides

-monarch butterfly

5. Nerium oleander (Apocynaceae)

-cardioactive glycosides

-Common Crow Butterfly

6. Rhododendron & Azalea (Ericaceae-Heath Family)

-grayanotoxin

-Killer Honey?

7. Euphorbiaceae (Spurge Family)

a. Castor Bean (Ricinus communis)

-vegetative fruits seeds

-ricin

-Spy case

-bioterrorism

-cancer therapy

8. Plant Insecticides/Fish Killers

a. Pyrethrum

-chrysanthemum cinerifolium

-products 2

b. Rotenone

-Derris (Fabaceae)

-how to catch fish

c. Neem tree (Azadirachta indica) Meliaceae

-the Neem industry

III. Allergy Plants

A. Allergens and the Immune System

B. Examples of Allergy Plants

1. Hay Fever Plants

-Don't blame me!

-Ragweed (Ambrosia sp.)

-flowers pollen release area quantity Tulsa

2. Contact Dermititis

-Toxicodendron radicans (Poison Ivy)

-urushiol rash

3. Latex Allergies

-Poinsettia (Euphorbia pulcherrima)

-bract

-latex allergy

-Hevea brasiliensis

-Parthenium argentatum

guayule tires