| 1. | The exine is tectate and reticulate; pistillodes are not present.
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| 2. | In plant spores it is also referred to as the exine.
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| 3. | The exine is what is preserved in the fossil record.
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| 4. | The pollen is disculate and elliptic with tectate exine; pistillode minute.
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| 5. | The pollen is elliptic and monosulcate with finely reticulate, tectate exine.
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| 6. | The pollen is elliptic, diporate with rugulate to reticulate, tectate exine.
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| 7. | The exine is finely reticulate and tectate.
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| 8. | The exine is 0.5 1 �m thick, with 2 3 �m long clavae or bacula.
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| 9. | It is a major component of the tough outer ( exine ) walls of plant spores and pollen grains.
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| 10. | Pollen apertures are regions of the pollen wall that may involve exine thinning or a significant reduction in exine thickness.
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