Agave longiflora
Agave longiflora ( synonym "Manfreda longiflora" ) is a species of flowering plant in the family Asparagaceae that is native to the Lower Rio Grande Valley of Texas in the United States and northern Tamaulipas in Mexico . 
<triplet> Agave longiflora <subj> synonym <obj> instance of <triplet> Lower Rio Grande Valley <subj> Texas <obj> located in the administrative territorial entity <triplet> Texas <subj> United States <obj> country <triplet> United States <subj> Texas <obj> contains administrative territorial entity