Orbicule: Difference between revisions
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[[Category:Plant morphology]] |
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[[Category:Pollination]] |
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Revision as of 20:23, 25 August 2009
Orbicules (syn. Ubisch bodies, con-peito grains) are small a-cellular structures of sporopollenin (known size range from < 1 µm to 15 µm, but usually smaller than a micron) that might occur on the inner tangential and radial walls of tapetal cells. Their function is unclear at this moment. Current consensus is that they are just a by-product of pollen wall sporopollenin synthesis.
External links
- A photo of Nelumbo orbicules: Kreunen, S.S. & Osborn, J.M. (1999), "Pollen and Anther Development in Nelumbo (Nelumbonaceae)", American Journal of Botany, 86: 1662, doi:10.2307/2656664
{{citation}}:|contribution=ignored (help)CS1 maint: multiple names: authors list (link)
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