Her nose should be like the bill of the hawk; her lips should be bright and red, like coral or the young leaf of the iron-tree.    From Wordnik.com.  [Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man] Reference

Some Brazilian woods, such as the iron-tree (pao-ferro), whose name fitly indicates its character, are of extraordinary hardness.    From Wordnik.com.  [Across Unknown South America] Reference

The next day, in searching the woods, I found a tree of that wood, or like it, which in the Brazils they call the iron-tree, for its exceeding hardness.    From Wordnik.com.  [Robinson Crusoe] Reference

■ The iron-tree, ebony, and dying - wood, prow in every part of the ifland; and gold duft is found in fome quantity ia its more interior regions; but the monks, in their concern for the morals of the people, h. ave been careful to get this dangerous branch of traffic into their own hands.    From Wordnik.com.  [The Bee, or, Literary weekly intelligencer [microform] : consisting of original pieces and selections from performances of merit, foreign and domestic : a work calculated to disseminate useful knowledge among all ranks of people at a small expense] Reference