Black gum or tupelo (Nyssa sylvatica) always begins to turn color in late July or early August here in central Pennsylvania, though it won’t reach its peak until September. This leaf cups water from last night’s thunderstorm, which is probably also what stripped it from the tree.
Dave Bonta (bio) often suffers from imposter syndrome, but not in a bad way — more like some kind of flower-breathing dragon, pot-bellied and igneous. Be that as it may, all of his writing here is available for reuse and creative remix under a Creative Commons Attribution-ShareAlike 4.0 International License. For attribution in printed material, his name (Dave Bonta) will suffice, but for web use, please link back to the original. Contact him for permission to waive the “share alike” provision (e.g. for use in a conventionally copyrighted work).