| 1. | Under each microsporophyll is one or several microsporangia ( pollen sacs ).
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| 2. | The microsporophylls are triangular and keeled, bearing two pollen sacs each.
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| 3. | Each of them has two basal pollen sacs with bisaccate pollen.
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| 4. | Each triangular microsporophyll has two basal pollen producing pollen sacs.
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| 5. | Each theca contains two microsporangia, also known as pollen sacs.
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| 6. | The stamens have anthers with only one lobe ( locule ) and two pollen sacs.
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| 7. | They were produced in pollen sacs in coalsced groups of four, attached to branching structures.
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| 8. | Each has four to 20 elongated pollen sacs attached to the lower surface at one end.
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| 9. | Both pollen sacs are separated by the stomium.
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| 10. | The pollen sacs hang off the structure in clusters, and are typically 2 cm in length.
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