Defense Mechanisms in Plants

Thoms                                     :                                   e.g. Lemon, Pomegranate, Duranta

Spines                                  :                          e.g. Agave, Yucca

Stinging hair                        :                          e.g. Laportea, Urtica dioica

Alkaloids                              :                          e.g. Poppy, Datura

Myremecophily                  :                           e.g. Guava, Mango, Litchi