Lithops olivacea

About

Lithops olivacea is a species of the genus Lithops under the family Aizoaceae. The name olivacea refers to the Latin word for olive (oliva) combined with the suffix -cea, meaning "of the likeness", producing the idea of "olive likeness". Lithops olivacea grow primarily in the Bushmanland of South Africa. They grow most abundantly in the regions of Aggeneys, Pofadder, and Namies. L. olivacea also received the Royal Horticultural Society's Award of Garden Merit for being "excellent for ordinary use in appropriate conditions, available to buy, of good constitution, essentially stable in form & colour, [and] reasonably resistant to pests & diseases."

Summary from Wikipedia