Forsythia flowers are more than just yellow. This one
has different shades of yellow along with orange and green. The
patterns created by the different colors help attract pollinators
and guide them to the nectary.
Contemplating the differences between what we see and what
pollinators see isn't only a matter of recognizing patterns. Many
insects and probably some birds literally see in a different light
than we do. Accordingly, flowers that depend on them for
pollintation produce parts that are fluorescent in those other
wavelengths. If you'd like to see what a difference it makes, we
can recommend the website, Flowers in Ultraviolet.
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