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 <img alt="pollen1" class="wp-image-147837 gcloudimg" data-attachment-id="147837" data-comments-opened="1" data-id="147837" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone XS","caption":"","created_timestamp":"1556897863","copyright":"","focal_length":"4.25","iso":"64","shutter_speed":"0.0082644628099174","title":"","orientation":"0"}' data-image-title="pollen1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_147836/pollen1.jpg"/>
 <figcaption>
 
 Time
 
 : 3:37PM, 5/3/19.
 
 Place
 
 : BBB
 
 
 Pollen from Jasmine flower congregated to the right.
 
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 <img alt="pollen2" class="wp-image-147846 gcloudimg" data-attachment-id="147846" data-comments-opened="1" data-id="147846" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone XS","caption":"","created_timestamp":"1556897869","copyright":"","focal_length":"4.25","iso":"100","shutter_speed":"0.010416666666667","title":"","orientation":"0"}' data-image-title="pollen2" data-link="https://microcosmos.foldscope.com/?attachment_id=147846" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_147836/pollen2-1.jpeg"/>
 <figcaption>
 Time: 3:37PM, 5/3/19. Place: BBB
 
 Jasmine pollen concentrated in the center. They are differently sized and clearish-yellow
 </figcaption>
 </figure>
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 <img alt="pollen5" class="wp-image-147845 gcloudimg" data-attachment-id="147845" data-comments-opened="1" data-id="147845" data-image-meta='{"aperture":"1.8","credit":"","camera":"iPhone XS","caption":"","created_timestamp":"1557338120","copyright":"","focal_length":"4.25","iso":"50","shutter_speed":"0.0081967213114754","title":"","orientation":"1"}' data-image-title="pollen5" data-link="https://microcosmos.foldscope.com/?attachment_id=147845" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_147836/pollen5.jpeg"/>
 <figcaption>
 Closer view of the Jasmines
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 The pollen belongs to
 
 Stephanotis floribunda
 
 . The lens power is 10x, so the pollen is close to 10-30 micrometers in size.


 Questions about my image: Why are the pollen different sized? Why are they colored that way (yellowy-white)?


 Approach: It may have different sizes for different sized bees that pollinate the plant. And they may be colored that way because it is more attractive to the bees.


 Pollen from different plants look different. Take for example some images from a quick Google search:

<figure class="wp-block-image">
 <img alt="pollen3" class="wp-image-147839 gcloudimg" data-attachment-id="147839" data-comments-opened="1" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title="pollen3" data-recalc-dims="1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_147836/pollen3.jpg"/>
 <figcaption>
 Credits to Google
 </figcaption>
</figure>
<h2>
 #caltechbi1
</h2>

Stephanotis floribunda’s pollen (Jasmine)

blnguyen

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