These were darker green than the original Persian limes, they also had a thicker skin.

The most common lime in the U.S. is the thick-skinned Persian lime.

It is smaller, seedier, has a higher acidity, a stronger aroma, and a thinner rind than that of the more common Persian lime.

Never mind that most Key limes - golf-ball-size and yellowish, in contrast to the larger, greener Persian lime - are grown these days in Mexico.

Persian limes are less acidic than key limes and do not have the bitterness that lends to the key lime's unique flavour.

Persian limes are sold primarily in six sizes, known as 110's, 150's, 175's, 200's, 230's and 250's.

Persian limes were first grown commercially in what is today southern Iraq, hence their name.

Persian limes are larger and contain more juice than Mexican limes.

Persian lime - This lime is most often sold in supermarkets as lime.

Shiny, thick, bright green leaves of the lime tree whose fruit looks like a Persian lime with bumps.