Image: Leaf of Stromanthe sanguinea, ‘Triostar.’
Mr. Subjunctive, of Plants Are The Strangest People blog, is amassing a nice collection of photos of illuminated leaves. His description of the above example:
This reminds me of something non-plant-related, but I can’t think of what. I want to say either fabric or ice cream, but I’m not a big noticer of fabric, and I’m pretty sure I’ve never seen ice cream that looked like this, so I have not idea where that feeling is coming from.
See the archive to date here.