| 1. | Cycads form their microsporangia on microsporophylls which are aggregated into strobili.
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| 2. | Extending out from a central axis are microsporophylls ( modified leaves ).
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| 3. | Under each microsporophyll is one or several microsporangia ( pollen sacs ).
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| 4. | Each triangular microsporophyll has two basal pollen producing pollen sacs.
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| 5. | The microsporophylls are triangular and keeled, bearing two pollen sacs each.
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| 6. | Each pollen cone has numerous spirally inserted microsporophylls.
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| 7. | A pollen cone consists of a slender rachis with numerous spirally arranged microsporophylls around it.
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| 8. | Each pollen cone has numerous spirally inserted microsporophylls each with two basal pollen sacs producing bisaccate pollen.
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| 9. | In heterosporous members, megasporophylls and microsporophylls may be intermixed or separated in a variety of patterns.
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| 10. | A pollen cone consists of many spirally arranged microsporophylls each with two pollen sacs producing bisaccate pollen.
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