Caryocar nuciferum
Caryocar nuciferum , the butter-nut of Guiana , is also known as pekea-nut , or – like all other species of "Caryocar" with edible nuts – "souari-nut" or "sawarri-nut" . 
<triplet> Caryocar <subj> Caryocar nuciferum <obj> taxonomic type