Refer to the botanical name of wheat $Triticum\ aestivum$ and identify the statement which correctly describes it.

• A
  The second word belongs to the genus and starts with a small letter.
• B
  Both the words $Triticum\ aestivum$ denote the specific epithet.
• C
  The first word $Triticum$ denotes the genus which starts with a capital letter.
• D
  The first word $Triticum$ denotes the specific epithet while the second word denotes the genus.