Snake cotton (Froelichia) when exposed to regular daylight ...

The image presents a comparative analysis of snake cotton plants under two distinct lighting conditions:

* **Daylight**: The plant appears white and lacks any notable features.
* **UV-A Blacklight**: When exposed to ultraviolet light from a blacklight, the same plant exhibits vibrant blue fluorescence.

This striking contrast highlights the unique properties of snake cotton, which can only be fully appreciated under specific lighting conditions. – AI vision