| 1. | Uneven at the base and with an intramarginal leaf vein.
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| 2. | An intramarginal vein surrounds the leaf, about 2 mm from the edge.
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| 3. | A distinct intramarginal vein can be seen around the edge of the leaf.
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| 4. | Near the wavy leaf edge, is an intramarginal vein, not always easily seen.
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| 5. | Leaf venation is prominent on both sides, with a raised midrib and prominent intramarginal vein.
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| 6. | At the other end, the lateral veins form into an intramarginal vein, which circles the leaf.
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| 7. | Members of the family all have intramarginal, linear hybridize readily with undisputed " Asplenium " species.
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| 8. | Leaf venation evident, with a raised midrib on both sides, and an intramarginal vein around the leaf edge.
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| 9. | An intramarginal leaf vein is parallel to the edge of the leaf, starting from the termination of the lateral leaf veins.
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| 10. | An identifying feature is the " intramarginal " leaf vein, which starts at the leaf base and travels on either edge of the leaf.
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