Avocadoes originated in Southern Mexico and Central America. Their are about 500 varieties that range in size, color and texture. They all tend to be pear-shaped and range in many shades of green.
Their are about 50 to 70 varieties grown in the United States that fall in two main categories. The Florida varieties, which tend to be smooth skinned and are bright green in color and the California varieties of which the Hass variety is most common. It is knobby skinned and dark green to purple-black in color.
Preparation and Serving
It usually cut in half lengthwise to remove the pit and scooped out with a spoon. Avocado flesh turns dark quickly when exposed to air, so it is sprinkled with lemon juice or vinegar to prevent discoloration. Avocadoes are used in many dishes including salads, sandwiches, and guacomole.