taxon_rank vachellia caven var. caven
Vachellia caven var . caven is a perennial tree native to South America . South America is a continent located in the western hemisphere , mostly in the southern hemisphere , with a relatively small portion in the northern hemisphere . It is also considered a subcontinent of the Americas , which is the model used in nations that speak Romance languages . The reference to South America instead of other regions ( like Latin America or the Southern Cone ) has increased in the last decades due to changing geopolitical dynamics ( in particular , the rise of Brazil ). Latin America is a ___MASK40___ of countries and dependencies in the Americas where Romance languages are predominant . The term originated in 19th century France as " Amérique latine " to consider French - speaking territories in the Americas ( Haiti , French Guiana , Martinique , Guadeloupe , Saint Martin , Saint Barthélemy ) along with the larger ___MASK40___ of countries where Spanish and Portuguese languages prevailed . It is therefore broader than the terms Ibero - America or Hispanic America  though it usually excludes French Canada and modern French Louisiana . The Romance languages ( sometimes called the Romanic languages , Latin languages , or Neo - Latin languages ) are the modern languages that evolved from Vulgar Latin between the sixth and ninth centuries and that thus ___MASK62___ a branch of the Italic languages within the Indo - European language family . Tin is a chemical element with the symbol Sn ( for ) and atomic number 50 , is a post - transition metal in ___MASK40___ 14 of the periodic table . It is obtained chiefly from the mineral cassiterite , which contains tin dioxide , SnO . Tin shows a chemical similarity to both of its neighbors in ___MASK40___ 14 , germanium and lead , and has two main oxidation states , + 2 and the slightly more stable + 4 . Tin is the 49th most abundant element and has , with 10 stable isotopes , the largest number of stable isotopes in the periodic table , thanks to its magic number of protons . It has two main allotropes : at room temperature , the stable allotrope is  - tin , a silvery - white , malleable metal , but at low temperatures it transforms into the less dense grey  - tin , which has the diamond cubic structure . Metallic tin is not easily oxidized in air . Brazil , officially the Federative Republic of Brazil , is the largest country in both South America and Latin America . As the world ' s fifth - largest country by both area and population , it is the largest country to have Portuguese as an official language and the only one in the Americas . Bounded by the Atlantic Ocean on the east , Brazil has a coastline of . It borders all other South American countries except Ecuador and Chile and covers 47 . 3 % of the continent ' s land area . Its Amazon River basin includes a vast tropical forest , home to diverse wildlife , a ___MASK13___ of ecological systems , and extensive natural resources spanning numerous protected habitats . This unique environmental heritage makes Brazil one of 17 megadiverse countries , and is the subject of significant global interest and debate regarding deforestation and environmental protection .