| 1. iron oak [ Synonyms: box white oak, brash oak, post oak, quercus stellata] | |
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Small deciduous tree of eastern and central United States having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence posts
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| 2. iron oak [ Synonyms: canyon live oak, canyon oak, maul oak, quercus chrysolepis] | |
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Medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
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