
Byrsonima crassifolia is a species of flowering plant in the family Malpighiaceae, native to tropical America. Commonly used names in English include nance, maricao cimun, craboo, and golden spoon. In Jamaica it is called blueberry (plural blueberry).
It is valued for its strong-smelling, small (one to one and a half centimeters in diameter) round, sweet yellow fruit. The fruits are very sharp and distinct.
It has taste and smell. In the jar, the texture is similar to that of a green or kalamata olive.
Byrsonima crassifolia is a large slow-growing shrub or tree up to 10 meters (33 ft). Sometimes cultivated for its edible fruit, the tree is native to the wild, sometimes in dense stands, in the open, and abundant pine forests and grassy savannas, from central Mexico, through Central America, to Colombia, Peru, Bolivia and Brazil; but also in Trinidad, Barbados, Curacao, St. Martin is also seen in Dominica, Guadeloupe, Puerto Rico, Haiti, the Dominican Republic and all of Cuba and the Island of Pines. Nance is restricted to tropical and subtropical climates. In Central and South America, the tree grows to 1,800 m (6,000 ft) above sea level. It is very drought resistant.