Close-up of flowers of green milkweed (Asclepias viridis ...

The image features two photographs of green milkweed flowers, taken under different lighting conditions:

* **Top photograph:** The top photograph captures the flowers as they appear to the naked eye when exposed to regular daylight.
* **Bottom photograph:** The bottom photograph shows the same flowers illuminated by a 365 nm ultraviolet (UV-A) blacklight.

**Key Observations:**

* Under regular daylight, the flowers have a greenish hue with pink accents on their petals and stamens.
* When illuminated by the UV-A blacklight, the flowers display vibrant blue coloring on their petals and stamens. The UV light accentuates the blue coloration, while the green color remains relatively unchanged.

**Overall Impression:**

The image highlights the unique effect of UV light on plant pigments, showcasing how it can reveal hidden colors in nature. – AI vision