Hemerocallis middendorffii

Hemerocallis middendorffii

Hemerocallis middendorffii Trautv. & C. A. Mey.
Engl.: Amur daylily, Middendorff's day-lily.
Suom.: kultapäivänlilja.
Sven.: orangegul daglilja.
TCM: chang bao xuan cao, da bao xuan cao.

I have no articles for this botanical term, but there might be some for the next level down (if found).