noun (n)

• all the plant life in a particular region or period(noun.group)

  Example:
  The botany of China.
  

  Synonym:
  flora, vegetation
  Antonym:
  fauna, zoology
  

  source: wordnet30
• the branch of biology that studies plants(noun.cognition)

  Synonym:
  phytology
  

  source: wordnet30
• The science which treats of the structure of plants, the functions of their parts, their places of growth, their classification, and the terms which are employed in their description and denomination. See Plant.(noun)

  source: webster1913