LGP25B3 - Hibiscus Pollen Grains!
Oct 18, 2025 • 7:38 AM UTC
India
340x Magnification
Plants
Karthik Agarwal
Hi! I'm a student from India, currently studying in 10th grade (ICSE board).
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At 50X magnification, the pollen grains appear as small yellow round structures clustered together in groups. I took this sample of pollen grains by lightly dusting the anthers of a hibiscus flower on my glass slide.
At 140X magnification, I silhouetted the pollen grains against a bright light to highlight their spiny surfaces. This is a characteristic of insect-pollinated (entomophilous) flowers including hibiscus, so that the pollen grains can stick to insects' bodies easily. The pollen grains are also quite big in size for the same reason.
Finally, at 340X magnification, we distinctly see the spines radiating outwards from the exine of the pollen grain. The spiny surface is very clear at this magnification.
I found it very interesting to see how nature thoughtfully adapts itself to suit different circumstances. At the microscopic level, the adaptations of these pollen grains are very clear and look amazing!
I found it very interesting to see how nature thoughtfully adapts itself to suit different circumstances. At the microscopic level, the adaptations of these pollen grains are very clear and look amazing!
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