| 1. | The mid rib is raised above and below on the Illawarra socketwood.
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| 2. | Leaf venation is obscure, with the mid rib only being easily seen.
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| 3. | Leaf mid rib and lateral veins easily seen above and below.
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| 4. | Mid rib raised below the leaf, but sunken above the leaf.
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| 5. | As are numerous yellow coloured bumps along the lateral veins and mid rib.
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| 6. | It sometimes runs along the leaf margin and the mid rib.
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| 7. | The mid rib and lateral veins are visible on both sides of the leaf.
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| 8. | The leaflets occur with several sub-parallel, dichotomously-branching longitudinal veins; they lack a mid rib.
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| 9. | The mid rib is raised on the upper and lower surfaces of the leaf.
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| 10. | The leaf features a mid rib and two other lateral veins, giving a three veined appearance.
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