Word: leucaena
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Dates: during 1960-1969
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...skeptical surgeon was backed up by Houston Botanist Robert Vines in a terse explanation. "Sam Morse's tree," he said, "is simply an ordinary Leucaena pulverulenta, better known as an Acacia, a Lead-tree or a Great Lead-tree. When the bark ruptures on this kind of tree, the pressure inside the tree's vessels forces its abundant supply of sap to run through the opening...