Archive | Defensive Organs

The below mentioned article provides an overview on the homology and analogy of organs with diagrams. The study of the homology of an organ means the study of its morphological origin, development and position. Organs, however different in their outward appear­ance, are homologous if they are identical in morphological origin. Analogy, on the other hand, refers to the outward appearance [...]

In this article, we  will  discuss about the various defensive organs and defensive devices of plants. (A) The defensive organs are: (1) Thorns, Spines and Prickles (2) Stinging Hairs (3) Sticky Glandular Hairs (4) A Dense Covering of Hair and (5) Cork and Bark. (B) The defensive devices are: (1) Poisonous or Repulsive Substances (2) Underground Modified Stems (3) Mimicry [...]