Snow-on-the-prairie (Euphorbia bicolor) when exposed to ...

The image presents two photographs of Snow-on-the-prairie plants, captured under different lighting conditions.

**Top Photograph: Daylight Exposure**

* The plant's leaves and stems display a green color with white stripes.
* Small, yellowish flowers are visible among the leaves.
* The background is dark, suggesting that the photograph was taken in low-light conditions or at night.

**Bottom Photograph: Ultraviolet (UV-A) Blacklight Exposure**

* The same Snow-on-the-prairie plant is now illuminated by a 365 nm UV-A blacklight.
* The colors of the leaves and stems appear more vibrant, with shades of blue and purple visible.
* The yellowish flowers have become more prominent, appearing as bright yellow or orange in color.
* The background remains dark.

**Comparison**

The two photographs demonstrate how different lighting conditions can affect the appearance of plants. While daylight exposure reveals subtle colors and details, UV-A blacklight illumination enhances the plant's natural pigments, making its features more visible. This comparison highlights the importance of considering various lighting conditions when observing or photographing plants. – AI vision