Bumblebee gathering nectar from Passion Flower gets his back dusted with pollen from down-facing anthers. I wonder how the pollen then gets transferred to the towering stigma?
I found the “anther” on another site: the stigma-bearing styles bend down at some point and receive pollen that was previously deposited on bee’s backs by the anthers. Here’s an excellent website on the subject: http://www.microscopy-uk.org.uk/mag/indexmag.html
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Photo taken at: White Rock Lake Bike & Hiking Trail