Flowers of green milkweed (Asclepias viridis) when exposed ...

The image features two photographs of green milkweed (Asclepias viridis) flowers, showcasing their appearance under different lighting conditions.

**Photograph 1: Daylight**

* The top photograph depicts the flowers exposed to regular daylight.
* The petals are a vibrant green color with small purple tips.
* The background is dark, suggesting that the image was taken in a shaded area or at night.

**Photograph 2: Ultraviolet (UV-A) Blacklight**

* The bottom photograph shows the same flowers illuminated by a 365 nm ultraviolet (UV-A) blacklight.
* Under UV light, the petals exhibit a striking blue coloration, while the background remains dark.
* This suggests that the UV light has caused the plant's natural fluorescence to be visible.

**Overall Observation**

The image highlights the unique properties of green milkweed flowers when exposed to different lighting conditions. The use of UV-A blacklight reveals a hidden aspect of the plant's biology, demonstrating its ability to fluoresce under specific wavelengths of light. This phenomenon could have implications for our understanding of plant behavior and ecology.

**Summary**

In summary, the image presents a fascinating comparison between green milkweed flowers under daylight and UV-A blacklight conditions. The photographs showcase the plant's unique response to different lighting environments, revealing its ability to fluoresce under specific wavelengths of light. This observation has potential applications in fields such as botany, ecology, and conservation biology. – AI vision