Orchid fanciers Derek and Joseph correctly identified Friday’s mystery plant as a jewel orchid, specifically Macodes petola:
Friday’s sparkly leaf photo shows why “jewel orchid” is the common name used for several genera of orchids with showstopping foliage.
And Ray noted that Goodyera spp. (rattlesnake plantain) is a native US jewel orchid with beautiful variegated foliage. Next time you’re hiking in the woods, keep your eye out for this common yet striking plant.