About Myrceugenia exsucca (DC.) O.Berg
Myrceugenia exsucca (DC.) O.Berg, commonly called petra, is an evergreen woody flowering plant species that belongs to the myrtle family, Myrtaceae. This species is native to South America, with its native range extending as far south as Chile. A documented example of where this species occurs is in central Chile, inside La Campana National Park.