The species Capsicum annnuum includes most of the edible capsicums.

• The capsicum annuum grossum is a shrubby perennial, which seldom grows more than 18 inches high. Its fruit are large glossy green bell peppers mostly used in salads.
  
  
• The Capsicum annuum acuminatum is a slightly larger plant, also perennial, and it produces the thin conical twisted fruit that are dried and used for making various hot chilli powders.
  
  
• The Capsicum annnuum longum, or long chilli pepper, has a drooping, red or yellow fruit, 8-12 inches in length and is normally not very hot to eat.
  
  
• The Capsicum annnuum concordes, or cone chilli pepper, has erect and conical fruit, between 1 and 3 inches long, and very hot. Tabasco chilli as a good example of this specie.
  
  
• The Capsicum annnuum fingerh is slim and pointed. It grows over 4 inches long, mainly in India and is used in the production of hot chilli powder.
  
  
• The Capsicum frutescens is mainly grown in the tropics, and can reach a height of 6 feet. This species produces blunt conical fruits, which are extremely hot and acrid, main used in the production of hot cayenne pepper. The Thai Dragon is a good example of this specie.