Botanical Name : Citrus hystrix DC. 

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.

Other names for Citrus x hystrix:
    * Burma: shauk-nu, shauk-waing
    * Cambodia: krauch soeuch
    * Indonesia: jeruk purut, jeruk limo, jeruk sambal
    * Laos: makgeehoot
    * Malaysia: limau purut
    * Philippines: Kubot, Kabuyaw, per-res (Sagada)
    * Reunion Island: combava
    * Sri Lanka: kahpiri dehi, odu dehi, kudala-dehi