
1) Coffee variety 2) Coffeebush 
Found on 
https://www.crosswordclues.com/clue/peaberry

 Peaberry, also known as caracoli, is a type of coffee bean. Normally the fruit (`cherry`) of the coffee plant contains two seeds (`beans`) that develop with flattened facing sides, but sometimes only one of the two seeds is fertilized, and the single seed develops with nothing to flatten it. This oval (or pea-shaped) bean is known as peaberry....
Found on 
http://en.wikipedia.org/wiki/Peaberry

Normally, each coffee cherry contains two beans. Occasionally, a cherry will form with only one bean. These are called peaberries and are frequently separated from other coffee and sold as its own distinctive grade. New Guinea is one of the more popular ones.
Found on 
http://www.realcoffee.co.uk/Article.html?Cat=Trivia&Page=4
  No exact match found.