‘Pollen world of plants’-2
Jun 27, 2018 • 9:45 AM UTC
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Jasdeep singh
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Portulaca plant is also called as rose moss.It is grown as ornamental plant.Main feature of this plant is that it is having fleshy leaves,stem and branches.It is a dicot plant.Here i observed the pollens of this plant.
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1. Portulaca plant growing in my home.Its stamens are numerous, deep seated and hence, inserted.On touching it’s anthers, yellowish sticky powdery mass get attached to your finger.
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2. Anther teased with the help of needle and yellow pollens oozed out.
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3. Anther is bilobed and pollens are sticky in nature as even after teasing its anther lobes for appropriate time,the pollens did’nt dispersed and remain adhered.
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4. Part of anther lobe zoomed.
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5. These spherical structures seen here are the pollens of portulaca plant.We can see the thick exine covering very clearly here.
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6. Here outer anther wall is visible made up of single layer of cells.And pollens are adhered to it.
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7. Part of another stamen anther lobe showing mass of pollens .
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8. Pollen tube arising from the pollen grain.
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9. Here we can see the branched pollen tube coming from pollen.
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10. Part of anther lobe showing its cellular structure .Filament is pinkish in colour.
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11. Rounded, yellowish pollen grain seen at maximum zooming.
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12.
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13. Sketch of the pollen grain. This post is open to read and review on The Winnower.
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