Original: The kaffir lime ( Citrus hystrix DC/O. , Rutaceae ) , also known as kieffer lime and limau purut is a type of lime native to Laos , Indonesia , Malaysia and Thailand , commonly used in Southeast Asian cuisine , and widely grown worldwide as a backyard shrub .
Simplified: The Kaffir lime ( Citrus hystrix DC/O. , Rutaceae ) , also known as kieffer lime , makrut , or magrood , is a citrus fruit native to Indonesia . It is widely grown worldwide as a backyard shrub .