Randia aculeata, commonly known as white indigoberry or white indigo berry, is a species in the Rubiaceae. It is a shrub or small tree that grows from 2 to 6 m tall. R. aculeata is native to Florida, Bermuda, the Bahamas, elsewhere among the Caribbean islands, and also from Mexico south through Central and South America to Colombia.
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The plant is harvested from the wild for local use as a food, medicine, dye and source of wood.
Source: http://tropical.theferns.info/viewtropical.php?id=Randia+aculeata