Gearum
It contains only one described species , Gearum brasiliense , native to central Brazil ( States of Tocantins + Mato Grosso ) . 
<triplet> Brazil <subj> Tocantins <obj> contains administrative territorial entity <subj> Mato Grosso <obj> contains administrative territorial entity <triplet> Tocantins <subj> Brazil <obj> country <triplet> Mato Grosso <subj> Brazil <obj> country