| 1. | In some groups, these sporophylls are clustered into strobili.
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| 2. | The female sporophylls are also hexagonal and have distinct bumps.
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| 3. | They contain numerous sporophylls arranged in whorls or spirals.
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| 4. | Biseriate sporophylls existed on either side of the cones.
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| 5. | Pollen cones with 2-6 pairs of 2-4 pollen sacked sporophylls.
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| 6. | Sporangia are borne in the axil or on the adaxial surface of the sporophyll.
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| 7. | Leaves that bear sporangia are called sporophylls.
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| 8. | The sporophylls have two round apical projections.
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| 9. | The fern's sporophylls are long and narrow, and have brownish sori undernwath.
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| 10. | Sporangia of living species are borne on the upper surfaces of microphylls ( called sporophylls ).
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