This plant can be found throughout east Asia as well as the middle and eastern portions of North America. When you can identify it, please post the common and scientific names in a comment. Also add any personal stories you may have about this plant.
ANSWER (subsequently added to this post to facilitate the “search” function for these images): Blackberry lily (Belamcanda chinensis)
Also, read the blog post and watch the plant portrait video for Blackberry lily (Belamcanda chinensis).